DTC    P3207-753    Short to GND in Rear Guard Sensor 2 Connection

DTC    P3208-754    Open or Short to B+ in Rear Guard Sensor 2 Connection

for Preparation Click here


DESCRIPTION

The HV control ECU monitors the connection status of the circuit breaker sensor (LH) signal (collision signal) line. If the ECU detects a malfunction, it will alert the driver.

DTC No.
INF Code
DTC Detection Condition
Trouble Area
P3207
753
GND short in rear circuit breaker sensor (LH) circuit
  1. Wire harness or connector
  2. Rear circuit breaker sensor LH
  3. HV control ECU
P3208
754
Open or +B short in circuit breaker sensor (LH) circuit
  1. Wire harness or connector
  2. Rear circuit breaker sensor LH
  3. HV control ECU

WIRING DIAGRAM


A113961E03


INSPECTION PROCEDURE

1.CHECK HYBRID VEHICLE CONTROL ECU (VOLTAGE CHECK)

  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
    BS2 (H30-17) - BS2G (H30-28)
    		2.3 to 3.1 V



NG
Go to step 4
OK


2.CLEAR DTC (HV)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Powertrain / Hybrid Control / DTC / Clear.


NEXT


3.RECONFIRM OUTPUT DTCS (HV)

  1. Turn the ignition switch to the ON position.

  1. Select the following menu items: Powertrain / Hybrid Control / DTC.

  1. Read output DTCs. (Click here)

    Result:
    P3207-753 and P3208-754 are output.



NO
CHECK FOR INTERMITTENT PROBLEMS
YES

REPLACE HYBRID VEHICLE CONTROL ECU 

4.INSPECT REAR CIRCUIT BREAKER SENSOR LH

  1. Disconnect the C21 rear circuit breaker sensor LH connector.



    A112780E02

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

    Standard Resistance:
    Tester Connection
    		Specified Condition
    1(SCR-) to 2(SCR+)
    		0.65 to 1.0 kΩ
    at 20°C ( 68°F)



NG
REPLACE REAR CIRCUIT BREAKER SENSOR LH
OK

REPAIR OR REPLACE HARNESS OR CONNECTOR