TIBURON(GK) >2003 > G 2.0 DOHC > Fuel System > General Information>Description and Operation  
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INTERMITTENT PROBLEM PROCEDURE
1.
Clear diagnostic trouble code(DTC).
2.
Inspect connector connection and check terminal for poor connections, loose wires, bent or broken pins and corrosions.
Make sure that the connectors are always securely fastened.

3.
Perform a simulation test.(See next page)
4.
Repair or replace the componect that has a problem.
5.
Verify that the problem has disappeared with the road test.

ECM PROBLEM PROCEDURE
1.
Turn ignition switch to OFF.
2.
Disconnect ECM connector, measure the resistance between ground terminal on the ECM side (terminal 1, 2) and chassis ground.

3.
Inspect connector connection and check terminal for poor connections, loose wires, bent or broken pins and corrosion.
4.
If it is abnormal, repair it. If it is normal, the ECM could be faulty.
5.
Temporarily install a good ECM and check for proper operation. If problem disappeared, replace ECM.

SIMULATION TEST
1.
Vibration
A.
Slightly shake the connector and wiring harness up and down and right and left.
B.
Slightly Vibrate sensors or actuators.
2.
Heat
A.
Heat components that likely caused the malfunction with a hair dryer or others.
B.
Do not heat the components to the point where they may be damaged and do not heat the ECM directly.
3.
Water sprinkling
A.
Sprinkle water onto vehicle to simulate a rainy day or a high humidity condition.
B.
In this test, do not sprinkle water directly onto the engine compartment or electronic components.
4.
Electrical loads
A.
Turn on all electrical systems to simulate excessive electrical loads.
MFI SYSTEM INSPECTION
1.
Engine is hard to start or does not start at all.
2.
Unstable idle.
3.
Poor driveability.
Before removing or installing any parts, read the diagnostic trouble codes and then disconnect the battery negative (-) terminal.
Before disconnecting the cable from the battery terminal, turn the ignition switch to the OFF position. Removal or connection of the battery cable during engine operation or while the ignition switch is ON could cause damage to the ECM.
The control harnesses between the ECM and heated oxygen sensor are shielded with the shielded ground wires to the body in order to prevent the influence of ignition noises and radio signals. When the shielded wire is faulty, the control harness must be replaced.
When checking the generator for charging ability, do not disconnect the battery '+' terminal to prevent the ECM from being damaged.
When charging the battery with the external charger, disconnect the battery terminals from the vehicle to prevent damage to the ECM.
MALFUNCTION INDICATOR LAMP (MIL)
Catalyst
Fuel system
Mass Air Flow (MAF) Sensor
Intake Air Temperature Sensor (Built in MAF Sensor)
Engine Coolant Temperature Sensor
Throttle Position Sensor
Upstream Oxygen Sensor
Downstream Oxygen Sensor Heater
Downstream Oxygen Sensor
Upstream Oxygen Sensor Heater
Injector
Misfire
Crankshaft Position Sensor
Camshaft Position Sensor
Evaporative Emission Control System
Vehicle Speed Sensor
Idle Control Valve
Power Supply
ECM
MT/AT Encoding
MIL-on Request Signal
Power Stage
Differential Pressure Sensor
Canister Close Valve
Continuously Variable Valve Timing System

[INSPECTION]
1.
After turning ON the ignition key, ensure that the light illuminates before engine starts and then goes out.
2.
If the light does not illuminate, check for an open circuit in the harness, a blown fuse or a blown bulb.
If a sensor connector is disconnected with the ignition switch turned on, the diagnostic trouble code (DTC) is recorded. In this case, disconnect the battery negative terminal (-) for 15 seconds or more, and the diagnosis memory will be erased.
THE RELATION BETWEEN DTC AND DRIVING PATTERN IN EOBD SYSTEM

1.
When the same malfunction is detected and maintained during two sequential driving cycles, the MIL will automatically illuminate.
2.
The MIL will go off automatically if no fault is detected after 3 sequential driving cycles.
3.
A Diagnostic Trouble Code (DTC) is recorded in ECM memory when a malfunction is detected after two sequential driving cycles.
4.
The MIL will illuminate whenthe malfunction is detected on the second driving cycle.
If a misfire is detected, a DTC will be recorded and the MIL will illuminate immediately after a fault is first detected.
5.
A Diagnostic Trouble Code(DTC) will automatically be erased from the ECM memory if the same malfunction is not detected for 40 driving cycles.
A "warm-up cycle" means sufficient vehicle operation such that the coolant temperature has risen by at least 40 degrees Fahrenheit from engine starting and reaches a minimum temperature of 160 degress Fahrenheit.
A "driving cycle" consists of engine startup, vehicle operation beyond the beginning of closed loop operation.
INSPECTION CHART FOR DIAGNOSTIC TROUBLE CODES (DTC)
DTC NO
DESCRIPTION
CAL
FED
P0010
"A" Camshaft Position Actuator Circuit (Bank 1)


P0030
HO2S Heater Control Circuit (Bank 1 / Sensor 1)


P0031
HO2S Heater Circuit low (Bank 1 / Sensor 1)


P0032
HO2S Heater Circuit high (Bank 1 / Sensor 1)


P0036
HO2S Heater Control Circuit (Bank 1 / Sensor 2)


P0037
HO2S Heater Circuit low (Bank 1 / Sensor 2)


P0038
HO2S Heater Circuit high (Bank 1 / Sensor 2)


P0076
Intake Valve Control Solenoid Circuit Low (Bank1)


P0077
Intake Valve Control Solenoid Circuit High (Bank1)


P0101
Mass Air Flow Circuit Range/Performance


P0102
Mass Air Flow Circuit Low Input


P0103
Mass Air Flow Circuit high Input


P0112
Intake Air Temperature Sensor Circuit Low Input


P0113
Intake Air Temperature Sensor Circuit High Input


P0116
Engine Coolant Temperature Circuit Range/Performance


P0117
Engine Coolant Temperature Circuit Low Input


P0118
Engine Coolant Temperature Circuit High Input


P0121
Throttle Position Sensor Circuit Range/Performance


P0122
Throttle Position Sensor Circuit Low Input


P0123
Throttle Position Sensor Circuit High Input


P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control


P0128
Coolant Thermostat (Coolant Temp. below Thermostat Regulating Temp.)


P0130
O2 Sensor Circuit (Bank 1 / Sensor 1)


P0131
O2 Sensor Circuit Low Voltage(Bank 1 / Sensor 1)


P0132
O2 Sensor Circuit High Voltage(Bank 1 / Sensor 1)


P0133
O2 Sensor Circuit Slow Response (Bank 1 / Sensor 1)


P0134
O2 Sesnor Circuit No Activity Detected (Bank 1 / Sensor 1)


P0136
O2 Sensor Circuit (Bank 1 / Sensor 2)


P0137
O2 Sensor Circuit Low Voltage (Bank 1 / Sensor 2)


P0138
O2 Sensor Circuit High Voltage (Bank 1 / Sensor 2)


P0139
O2 Sensor Circuit Slow Response


P0140
O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2)


P0171
System Too Lean (Bank 1)


P0172
System Too Rich (Bank 1)


P0196
Engine Oil Temp. Sensor Range / Performance


P0197
Engine Oil Temp. Sensor Low Input


P0198
Engine Oil Temp. Sensor High Input


P0261
Cylinder 1 - Injector Circuit Low


P0262
Cylinder 1 - Injector Circuit High


P0264
Cylinder 2 - Injector Circuit Low


P0265
Cylinder 2 - Injector Circuit High


P0267
Cylinder 3 - Injector Circuit Low


P0268
Cylinder 3 - Injector Circuit High


P0270
Cylinder 4 - Injector Circuit Low


P0271
Cylinder 4 - Injector Circuit High


P0300
Random/Multiple Cylinder Misfire Detected


P0301
Cylinder 1 - Misfire detected


P0302
Cylinder 2 - Misfire detected


P0303
Cylinder 3 - Misfire detected


P0304
Cylinder 4 - Misfire detected


P0325
Knock Sensor Circuit
Δ
Δ
P0335
Crankshaft Position Sensor Circuit


P0340
Camshaft Position Sensor Circuit Malfunction(Single Sensor)


P0341
Camshaft Position Sensor Circuit Range/Performance(Single Sensor)


P0420
Catalyst System Efficiency below Threshold (Bank 1)


P0441
Evap. Emission System Incorrect Purge Flow


P0442
Evap. Emission System - Leak detedted (small leak)


P0444
Evap. Emission System - Purge Ctrl. Valve Circuit Open


P0445
Evap. Emission System - Purge Ctrl. Valve Circuit Shorted


P0447
Evap. Emission System - Vent Control Circuit Open


P0448
Evap. Emission System - Vent Control Circuit Shorted


P0449
Evap. Emission System - Vent valve / Solenoid circuit


P0451
Evap. Emission System - Pressure Sensor Range / Performance


P0452
Evap. Emission System - Pressure Sensor Low Input


P0453
Evap. Emission System - Pressure Sensor High Input


P0454
Evap. Emission System - Pressure Sensor Intermittent


P0455
Evap. Emission System - Leak detected (large leak)


P0456
Evap. Emission System - Leak detected (very small leak)


P0501
Vehicle Speed Sensor Range/Performance


P0506
Idle Air Control System - RPM lower than expected


P0507
Idle Air Control System - RPM higher than expected


P0560
System Voltage
Δ
Δ
P0562
System Voltage Low


P0563
System Voltage High


P0600
CAN Communication BUS


P0605
Internal Control Module Read Only Memory(ROM) Error


P0650
Malfunction Indicator Lamp(MIL) Control Circuit
Δ
Δ
P1166
O2 Sensor System - Lambda Controller at the Limit


P1372
Misfire Detection - Segment Time Acquisition Incorrect
Δ
Δ
P1505
Idle Speed Actuator Signal Low of Coil #1


P1506
Idle Speed Actuator Signal High of Coil #1


P1507
Idle Speed Actuator Signal Low of Coil #2


P1508
Idle Speed Actuator Signal High of Coil #2


P1529
TCU Request for MIL On
○*
○*
P1602
CAN Communication BUS with TCU (Timeout)


P1690
Immobilizer Smartra Error

Δ*
P1691
Immobilizer Antena Error

Δ*
P1693
Immobilizer Transponder Error

Δ*
P1694
Immobilizer ECU Siganl Error

Δ*
P1695
Immobilizer EEPROM Error

Δ*
P1696
Immobilizer Mismatch/Overtrial Error

Δ*

○ : MIL ON & FAULT CODE MEMORY
Δ : MIL OFF & FAULT CODE MEMORY
○* : MIL ON & FAULT CODE MEMORY FOR OPTIONAL SYSTEM
Δ* : MIL OFF & FAULT CODE MEMORY FOR OPTIONAL SYSTEM
SUSPECT AREA RELATED TO DTC
Suspect area for each diagnostic item do not list all probable causes.
DTC No.
Diagnostic items
Suspect area
P0030
O2 Sensor Heater - Heater Control Circuit (Bank 1 / Sensor 1)
Contaminated, deteriorated or aged HO2S
Heater Resistance out of Reasonable Range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P0031
O2 Sensor Heater Circuit low (Bank 1 / Sensor 1)
Blown or missing HO2S fuse
Open or short to GND between HO2S and ECM
Faulty HO2S
P0032
O2 Sensor Heater Circuit high (Bank 1 / Sensor 1)
Short to battery between HO2S and ECM
Faulty HO2S
P0136
O2 Sensor Circuit Malfunction(Bank 1 / Sensor 2)
Short between rear HO2S and ECM
Faulty rear HO2S
P0137
O2 Sensor Circuit Low Input (Bank 1 / Sensor 2)
Short to GND between HO2S and ECM
Faulty front HO2S
P0138
O2 Sensor Circuit High Input (Bank 1 / Sensor 2)
Open or short to battery between HO2S and ECM
Faulty front HO2S
P0139
O2 Sensor Circuit Slow Response (Bank 1 / Sensor 2)
Front and rear HO2S connections reversed
Faulty fuel delivery system
Leak in intake system
Leak in exhaust system
Faulty MAPS ground circuit
Faulty HO2S
If any misfire, purge solenoid valve, MAPS or HO2S heater codes are present, do all repairs associated with those codes before proceeding with this trouble area.
P0140
O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding with this trouble area.
P0037
O2 Sensor Heater Circuit low (Bank 1 / Sensor 2)
Blown or missing HO2S fuse
Open or short to GND between HO2S and ECM
Faulty HO2S
P0038
O2 Sensor Heater Circuit high (Bank 1 / Sensor 2)
Short to battery between HO2S and ECM
Faulty HO2S
P0036
O2 Sensor Heater - Heater Control Circuit (Bank 1 / Sensor 2)
Contaminated, deteriorated or aged HO2S
Heater resistance out of reasonable range
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
P0106
MAP Sensor-Rationality
Dirty air cleaner
Oil cap or dipstick missing or not installed correctly
Air leak in intake system
Contaminated, deteriorated or damaged manifold absolute pressure sensor
Faulty manifold absolute pressure sensor or throttle position sensor
Poor connections between ECM and MAP or TPS
If any codes relating to MAP are present, do all repairs associated with them before proceeding with this troubleshooting area.
P0107
MAP Sensor-Range Check Low
Short to ground between MAP and ECM
Signal line open between MAP and ECM
Faulty MAP
P0108
MAP Sensor-Range Check High
Short to Battery between MAP and ECM
Ground open between MAP and main relay
Ground open or Poor connections between open or short to battery between MAP and ECM
Faulty MAP
P0112
Intake Air Temperature Circuit Low Input
Short to ground between IAT sensor and ECM
Short between IAT sensor wires
Faulty IAT sensor
P0113
Intake Air Temperature Circuit High Input
Open or short to battery between IAT sensor and ECM
Faulty IAT sensor
P0116
Engine Coolant Temperature Circuit Range / Performance
After engine start-up, the measured coolant temperature shows no variation after detecting the calculated coolant temperature variation (engine coolant temperature sensor input is stuck.)
Poor connections between ECT sensor and ECM
Misplaced, loose or corroded terminals
Foreign materials fouled ECTS
Faulty ECTS
If any codes relating to ECTS are present, do all repairs associated with them before proceeding with this troubleshooting area.
P0117
Engine Coolant Temperature Circuit Low Input
Short to ground between ECTS and ECM
Short between ECTS wires
Faulty ECTS
P0118
Engine Coolant Temperature Circuit High Input
Open or short to battery between ECTS and ECM
Faulty ECTS
P0121
Throttle / Pedal Position Circuit Range/Performance Problem
Poor connections between TPS and ECM
Misplaced, loose or corroded terminals
Contaminated deteriorated TPS
Open or short between TPS 5V reference and ECM
Open or short between TPS signal and ECM
Short between TPS wires
Faulty TPS
P0122
Throttle / Pedal Position Circuit Low Input
Short to GND between TPS and ECM
Open / Short to GND between TPS and ECM
Short to GND between ECM and fuel tank pressure sensor (FTPS)
Faulty TPS or FTPS
P0123
Throttle / Pedal Position Circuit High Input
Open or short to battery between TPS and ECM
Open between and ECM
Faulty TPS
P0125
Insufficient Coolant Temperature for Closed Loop Fuel Control
After engine start-up, the elapsed time before feedback operation is initializes too long (engine coolant temperature sensor input is insufficient for closed loop operation)
Poor connections between ECT sensor and ECM
Faulty ECTS
Thermostat
P0128
Coolant Thermostat (Coolant Temp. below Thermostat Regulating Temp.)
Thermostat stuck opened
P0131
O2 Sensor Circuit Low Input(Bank 1 / Sensor 1)
Short to GND between HO2S and ECM
Faulty front HO2S
P0132
O2 Sensor Circuit High Input(Bank 1 / Sensor 1)
Short to battery between HO2S and ECM
Faulty front HO2S
P0133
O2-Sensor Circuit Slow Response (Bank 1 / Sensor 1)
Front and rear HO2S connections reversed
Faulty fuel delivery system
Leak in intake system
Leak in exhaust system
Faulty MAPS ground circuit
Faulty HO2S
If any misfire, purge solenoid valve, MAPS or HO2S heater codes are present, do all repairs associated with those codes before proceeding with this trouble area.
P0134
O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 1)
Contaminated, deteriorated or aged HO2S
Misplaced, bent, loose or corroded connector terminals
Faulty HO2S
If any misfire, purge solenoid valve or HO2S heater codes are present, do all repairs associated with those codes before proceeding this trouble area.
P0171
Fuel Trim Malfunction - System Too Lean (Bank 1)
Faulty ignition system (Ignition coil/spark plug/Ignition cable)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Clogged fuel injectors
Faulty fuel injectors
Leak in intake system
Leak in exhaust system
Faulty MAPS
If any codes relating to injectors, HO2S, ECTS or MAPS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0172
Fuel Trim Malfunction - System Too Rich (Bank 1)
Faulty fuel delivery system (Fuel tank/Pressure regulator/Canister purge valve)
Faulty fuel injectors
Faulty MAPS
If any codes relating to injectors, HO2S, ECTS or MAPS are stored, do all repairs associated with those codes before proceeding with this trouble area.
P0230
Fuel Pump Circuit Malfunction
Blown or missing fuse/relay
Short to battery between fuel pump relay and ECM
Open between fuel pump relay and ECM
Faulty fuel pump relay
P0261
Cylinder 1 - Injector Circuit Low
Short to GND between injector and ECM
Faulty fuel injector
P0264
Cylinder 2 - Injector Circuit Low
P0267
Cylinder 3 - Injector Circuit Low
P0270
Cylinder 4 - Injector Circuit Low
P0262
Cylinder 1 - Injector Circuit High
Open between injector fuse and injector
Open or short to battery between injector and ECM
Faulty fuel injector
P0265
Cylinder 2 - Injector Circuit High
P0268
Cylinder 3 - Injector Circuit High
P0271
Cylinder 4 - Injector Circuit High
P0300
Multiple Cylinder Misfire Detected
Vacuum leak in air intake system
CKP sensor circuit malfunction
Faulty CKP sensor
Ignition circuit malfunction
Faulty ignition coil or plug wire
Spark plug malfunction
Low compression due to blown head gasket, leaking valve or piston ring
Low/high fuel pressure due to faulty pressure regulator, restricted fuel lines, plugged fuel filter or faulty fuel pump
Fuel injector circuit malfunction
Faulty fuel injector
If any fuel injector codes (or pending codes) are present, do all repairs associated with those codes before proceeding with this trouble area.
P0301
Cylinder 1 - Misfire detected
P0302
Cylinder 2 - Misfire detected
P0303
Cylinder 3 - Misfire detected
P0304
Cylinder 4 - Misfire detected
P0325
Knock Sensor 1 Circuit Malfunction
Open or short to GND between knock sensor and ECM
Source of high resistance between knock sensor and ECM
Faulty knock sensor
P0335
Crankshaft Position Sensor Circuit Malfunction
Short to GND between CKP sensor and ECM
Open or short to battery between CKP and ECM
Short between CKP sensor wires
Poor connection between CKP connector harness connector
Out of spec air gap
Faulty target wheel tolerance
Faulty CKP sensor
P0340
Camshaft Position Sensor Circuit Malfunction(Bank1 or Single Sensor)
Short to GND between CMP sensor and ECM
Open or short to battery between CMP and ECM
Short between CMP sensor wires
Poor connection between CMP connector harness connector
Faulty CMP sensor
P0420
Catalyst System Efficiency below Threshold (Bank 1)
Catalytic converter deteriorated
If any codes relating to HO2S sensor. MAPS, injectors, a P0170 or a P0173 are present, do all repairs associated with them before proceeding with this trouble area.
P0441
Evap. Emission Ctrl. System Incorrect Purge Flow
Stuck in valve open position
P0442
Evap. Emission Ctrl. System - Small Leak detected (1.0 mm)
Fuel filler cap loose or missing
Fuel filler cap o-ring missing or damaged
Faulty or damaged fuel filler pipe
Leaking, disconnected or plugged fuel vapor lines
Fuel in lines due to faulty rollover valve, on-board refueling vapor recovery valve or CCV stuck closed
Canister close valve clogged, stuck open or closed
Improperly installed purge solenoid valve
PCSV stuck open or closed
Faulty fuel tank pressure sensor
Leaking canister or catch tank
If any codes relating to FTPS, CCV or PCSV circuits are present, do all repairs associated with those codes before proceeding with this trouble area.
P0444
Evap. Emission Ctrl. System - Purge Ctrl. Valve Circuit Open
Faulty PCSV
Open between PCSV and ECM
P0445
Evap. Emission Ctrl. System - Purge Ctrl. Valve Circuit Shorted
Faulty PCSV
Short to GND or battery between PCSV and ECM
P0447
Evap. Emission Ctrl. System - Vent Circuit Open (SOV)
Open or short to battery between CCV and ECM
Faulty CCV
P0448
Evap. Emission Ctrl. System - Vent Circuit Shorted (SOV)
Short to GND between CCV and ECM
Faulty CCV
P0451
Evap. Emission Ctrl. System - Pressure Sensor Range / Performance(DTP_CON)
Canister close valve stuck closed
Blocked vapor hose between canister and CCV
Open or short to battery between FTPS and ECM
Faulty FTPS
P0452
Evap. Emission Ctrl. System - Pressure Sensor Low Input
Short to GND between FTPS and ECM
Faulty FTPS
P0453
Evap. Emission Ctrl. System - Pressure Sensor High Input
Open or short to battery between fuel tank pressure sensor and ECM
Short to battery in ECM
Open in ECM
Faulty FTPS
P0454
Evap.Emission Ctrl. System - Pressure Sensor Intermittent(DTP_NOISE)
Poor connections between FTPS and ECM
Misplaced, loose or corroded terminals
Foreign materials fouled FTPS
Faulty FTPS
P0455
Evap. Emission Ctrl. System - Large Leak detected(or tank cap loose/off)
Fuel filler cap loose or missing
Fuel filler cap o-ring missing or damaged
Faulty or damaged fuel filler pipe
Leaking, disconnected or plugged fuel vapor lines
Fuel in lines due to faulty rollover valve, on-board refueling vapor recovery valve or CCV stuck closed
Canister close valve clogged, stuck open or closed
Improperly installed purge solenoid valve
PCSV stuck open or closed
Faulty fuel tank pressure sensor
Leaking canister or catch tank
-
If any codes relating to FTPS, CCV or PCSV circuits are present, do all repairs associated with those codes before proceeding with this trouble area.
-
If DTC P0455 is stored and MIL is illuminated, before proceeding to evaporative system test and repair, verify whether the customer was running the engine uring refueling.
-
If an obvious cause for DTC P0455 is an engine running during refueling, erasethe DTC P0455 using the Hi-Scan and do not repair the evaporative system. However, the vehicle should be monitored in case of reoccurrence of the concern which may come from actual evaporative system.
P0456
Evap. Emission Ctrl. System- Small Leak detected (0.5 mm)
P0501
Vehicle Speed Sensor Range / Performance
Open between fuse and wheel speed sensor (WSS)
Open between WSS and GND
Open between WSS and ECM
Short to battery or GND between WSS and ECM
Faulty WSS
P0506
Idle Control System - RPM lower than expected
High resistance between injector fuse and IAC valve
High resistance between ISC and ECM
Faulty ISC valve
Carbon fouled throttle plate
If any TPS, MAPS, fuel injector or ISC valve circuit codes (or pending codes) are present, do all repairs associated with them before proceeding with this trouble area.
P0507
Idle Control System - RPM higher than expected
Improperly adjusted accelerator cable
Air leak in intake system between head and throttle plate
Faulty PCV valve or PCSV
Poor connections in TPS circuit or faulty TPS
High resistance between IAC valve and ECM
Faulty IAC valve
If any codes relating to TPS, MAPS, fuel injector or ISC valve are present, do all repairs associated with them before proceeding with this troubleshooting area.
P0560
System Voltage Malfunction
Short between main relay and ECM
Open between main relay and ECM
Poor connection
Faulty main relay
P0562
System Voltage Low
Reverse battery cable connection (+/- reverse)
Faulty generator
P0563
System Voltage High
P0650
Malfunction Indicator Lamp(MIL) Control Circuit Malfunction
Open or short between lamp and ECM
Faulty lamp
P1134
O2 Sensor Circuit - Transition Switch Time Malfunction / Slope(Bank 1 / Sensor1)
HO2S Deteriorated
Foreign Material Deposit
P1166
O2 Sensor System - Lambda Controller at the Limit (Bank 1)
P1166 is case for HO2S (Bank 1, Sensor 1) Signal line open
Fuel system (Fuel tank/Pressure regulator/Fuel pump/PCSV) Failure
Poor connection to fuel line hose/Sealing/Cut
Sealing between purge valve and fuel tank
Air leakage in exhaust system
Ignition system (Ignition coil, spark plug, cable) failure
Surge tank and intake port failure
P1372
Segment Time Acquisition Incorrect
Improperly installed target wheel
Faulty wires between ECM and wheel speed sensor
Bad signal of wheel speed sensor
Poor connection
Faulty CKP sensor
P1505
Idle Charge Actuator Signal Low of Coil #1
Open or short to GND between ISC and ECM
Faulty ISC
P1506
Idle Charge Actuator Signal High of Coil #1
Short to battery between ISC and ECM
Faulty ISC
P1507
Idle Charge Actuator Signal Low of Coil #2
Open or short to GND between ISC and ECM
Faulty ISC
P1508
Idle Charge Actuator Signal High of Coil #2
Short to battery between ISC and ECM
Faulty ISC
P1529
TCM Request for MIL On / Freeze Frame to ECM via CAN
This is only a request from TCM to turn the MIL ON. The fault code is stored in the TCM. The freeze frame data is stored in the ECM under the P1529 request code. Be sure to retrieve freeze frame data before clearing code P1529 from ECM.
P1602
Serial Communication Problem with TCM (Timeout)
Open or short to serial communication line
CAN message timeout
Faulty TCM