HYBRID CONTROL SYSTEM, Diagnostic DTC:P3137-348, P3138-349

DTC Code DTC Name
P3137-348 Collision Sensor Low Input
P3138-349 Collision Sensor High Input

DESCRIPTION


DTC No. INF Code DTC Detection Condition Trouble Area
P3137 348 GND short in No. 1 circuit breaker sensor circuit

  • Wire harness or connector

  • No. 1 circuit breaker sensor

  • Power management control ECU
P3138 349 Open or +B short in No. 1 circuit breaker sensor circuit

WIRING DIAGRAM

A01NEF2E01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK POWER MANAGEMENT CONTROL ECU (VOLTAGE CHECK)


    1. Turn the power switch on (IG).

    2. A01NERPE29
      Text in Illustration
      *1

      Component with harness connected

      (Power Management Control ECU)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A80-9 (AS1) - A80-8 (AS1G) Power switch on (IG) 2.3 to 3.1 V

    3. Turn the power switch off.


    NG

    INSPECT NO.1 CIRCUIT BREAKER SENSOR Click here

    OK

  2. CLEAR DTC (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Read and record the DTCs and freeze frame data.

    5. Clear DTCs and freeze frame data.

    6. Turn the power switch off.


    NEXT

  3. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      DTC P3137-348, P3138-349 is output. for LHD A
      for RHD B
      DTC P3137-348, P3138-349 is not output. C

    5. Turn the power switch off.


    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    CHECK FOR INTERMITTENT PROBLEMS Click here

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

  4. INSPECT NO.1 CIRCUIT BREAKER SENSOR


    1. Disconnect the g9 connector from the No. 1 circuit breaker sensor.

    2. A01NCWNE12
      Text in Illustration
      *1

      Component without harness connected

      (No. 1 Circuit Breaker Sensor)

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      g9-1 (SIF-) - g9-2 (SIF+)

      Power switch off

      (20°C)

      		 0.65 to 1.0 kΩ

    3. Connect the No. 1 circuit breaker sensor connector.


    NG

    REPLACE NO.1 CIRCUIT BREAKER SENSOR Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR