DTC    P2122-104    Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input

DTC    P2123-105    Throttle / Pedal Position Sensor / Switch "D" Circuit High Input

DTC    P2127-107    Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input

DTC    P2128-108    Throttle / Pedal Position Sensor / Switch "E" Circuit High Input

for Preparation Click here


DESCRIPTION

Refer to the description for DTC P2120-111. (Click here)

DTCNo.
INF Code
DTC Detection Condition
Trouble Area
P2122
104
Open or GND short in main sensor circuit
  1. Wire harness or connector
  2. Accelerator pedal rod assembly
  3. HV control ECU
P2123
105
+B short in main sensor circuit
  1. Wire harness or connector
  2. Accelerator pedal rod assembly
  3. HV control ECU
P2127
107
Open or GND short in sub sensor circuit
  1. Wire harness or connector
  2. Accelerator pedal rod assembly
  3. HV control ECU
P2128
108
+B short in sub sensor circuit
  1. Wire harness or connector
  2. Accelerator pedal rod assembly
  3. HV control ECU

WIRING DIAGRAM

Refer to the wiring diagram for DTC P2120-111. (Click here)

INSPECTION PROCEDURE

1.READ VALUE OF INTELLIGENT TESTER (ACCEL POS #1 AND #2)

  1. Connect the intelligent tester to the DLC3.



    FI07052

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Powertrain / Hybrid Control / Data List / Accel Pos #1 and #2.

  1. Read the voltage for the accelerator pedal position sensor data.

    Result:

    Accelerator Pedal
    		Accel Pos #1
    		Accel Pos #2
    Released
    		0.4 to 1.4 V
    		1.0 to 2.2 V
    Depressed
    		3.1 to 4.6 V
    		3.9 to 5.0 V



OK
CHECK FOR INTERMITTENT PROBLEMS
NG


2.INSPECT HYBRID VEHICLE CONTROL ECU


    A103658E42

  1. Disconnect the A15 accelerator pedal position sensor connector.

  1. Turn the ignition switch to the ON position.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Specified Condition
    VCP1 (H31-24) - EP1 (H31-33)
    		4.5 to 5.5 V
    VCP2 (H31-31) - EP2 (H31-32)
    		4.5 to 5.5 V



NG
REPLACE HYBRID VEHICLE CONTROL ECU
OK


3.INSPECT HYBRID VEHICLE CONTROL ECU


    A103658E43

  1. Connect the accelerator pedal position sensor connector.

  1. Turn the ignition switch to the ON position.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:

    Pedal Position
    		VPA (H31-25) - EP1 (H31-33)
    		VPA2 (H31-26) - EP2 (H31-32)
    Released
    		0.4 to 1.4 V
    		1.0 to 2.2 V
    Depressed
    		3.1 to 4.6 V
    		3.9 to 5.0 V



OK
REPLACE HYBRID VEHICLE CONTROL ECU
NG


4.CHECK HARNESS AND CONNECTOR (HV CONTROL ECU - ACCELERATOR PEDAL POSITION SENSOR)


    A109414E02

  1. Turn the ignition switch OFF.

  1. Disconnect the H31 HV control ECU connector.

  1. Disconnect the A15 accelerator pedal position sensor connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    		Specified Condition
    VPA (H31-25) - Body ground
    		Below 1 V
    VCP1 (H31-24) - Body ground
    		Below 1 V
    EP1 (H31-33) - Body ground
    		Below 1 V
    VPA2 (H31-26) - Body ground
    		Below 1 V
    VCP2 (H31-31) - Body ground
    		Below 1 V
    EP2 (H31-32) - Body ground
    		Below 1 V

  1. Turn the ignition switch OFF.

  1. Measure the resistance according to the value(s) in the table.

    Standard Resistance (Check for open):
    Tester Connection
    		Specified Condition
    VPA (H31-25) - VPA1 (A15-6)
    		Below 1 Ω
    VCP1 (H31-24) - VCP1 (A15-4)
    		Below 1 Ω
    EP1 (H31-33) - EP1 (A15-5)
    		Below 1 Ω
    VPA2 (H31-26) - VPA2 (A15-1)
    		Below 1 Ω
    VCP2 (H31-31) - VCP2 (A15-1)
    		Below 1 Ω
    EP2 (H31-32) - EP2 (A15-2)
    		Below 1 Ω

    Standard Resistance (Check for short):
    Tester Connection
    		Specified Condition
    VPA (H31-25) or VPA1 (A15-6) - Body ground
    		10 kΩ or higher
    VCP1 (H31-24) or VCP1 (A15-4) - Body ground
    		10 kΩ or higher
    EP1 (H31-33) or EP1 (A15-5) - Body ground
    		10 kΩ or higher
    VPA2 (H31-26) or VPA2 (A15-1) - Body ground
    		10 kΩ or higher
    VCP2 (H31-31) or VCP2 (A15-1) - Body ground
    		10 kΩ or higher
    EP2 (H31-32) or EP2 (A15-2) - Body ground
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE ACCELERATOR PEDAL ROD ASSEMBLY