REAR VIEW MONITOR SYSTEM(for Navigation Receiver Type) Reverse Signal Circuit

DTC Code DTC Name
Reverse Signal Circuit

DESCRIPTION

The navigation receiver assembly receives a reverse signal from the park/neutral position switch assembly*1 or back-up light switch assembly*2.

  • *1: except Manual Transaxle

  • *2: for Manual Transaxle

WIRING DIAGRAM

E271194E10

CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

  1. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

    1. E270655

      Enter the "Function Check/Setting I" mode and select "Vehicle Signal".

    2. Check that the display changes between ON and OFF according to the shift lever position.

      OK

      Shift Lever Position

      Display

      R

      ON

      Except R

      OFF
      Tip:

      This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.

    Result

    Proceed to

    OK

    NG (except Manual Transaxle)

    NG (for Manual Transaxle)
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG (for Manual Transaxle)

    INSPECT BACK-UP LIGHT SWITCH ASSEMBLYClick here

    NG (except Manual Transaxle)

  2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    1. Remove the park/neutral position switch assembly.

      for U760E:

      Click here

      for U760F:

      Click here

      for U660F:

      Click here

      for K114:

      Click here

    2. Inspect the park/neutral position switch assembly.

      for U760E:

      Click here

      for U760F:

      Click here

      for U660F:

      Click here

      for K114:

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    for U760E:

    Click here

    for U760F:

    Click here

    for U660F:

    Click here

    for K114:

    Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY AND BATTERY)

    1. Disconnect the B36*1 or B101*2 park/neutral position switch assembly connector.

      • *1: except 3ZR-FE, 2AR-FE

      • *2: for 3ZR-FE, 2AR-FE

    2. Disconnect the G139 navigation receiver assembly connector.

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

      Standard Voltage

      Table 1. except 3ZR-FE, 2AR-FE

      Tester Connection

      Switch Condition

      Specified Condition

      B36-1 (RB) - Body ground

      Ignition switch ON

      11 to 14 V
      Table 2. for 3ZR-FE, 2AR-FE

      Tester Connection

      Switch Condition

      Specified Condition

      B101-1 (RB) - Body ground

      Ignition switch ON

      11 to 14 V

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

      Standard Resistance

      Table 3. except 3ZR-FE, 2AR-FE

      Tester Connection

      Condition

      Specified Condition

      B36-2 (RL) - G139-2 (REV)

      Always

      Below 1 Ω

      B36-2 (RL) - Body ground

      Always

      10 kΩ or higher
      Table 4. for 3ZR-FE, 2AR-FE

      Tester Connection

      Condition

      Specified Condition

      B101-2 (RL) - G139-2 (REV)

      Always

      Below 1 Ω

      B101-2 (RL) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. INSPECT BACK-UP LIGHT SWITCH ASSEMBLY

    1. Remove the back-up light switch assembly.

      for EA64F:

      Click here

      for EB61:

      Click here

    2. Inspect the back-up light switch assembly.

      for EA64F:

      Click here

      for EB61:

      Click here

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE BACK-UP LIGHT SWITCH ASSEMBLY

    for EA64F:

    Click here

    for EA61:

    Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH ASSEMBLY - NAVIGATION RECEIVER ASSEMBLY AND BATTERY)

    1. Disconnect the B35 back-up light switch assembly connector.

    2. Disconnect the G139 navigation receiver assembly connector.

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

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      B35-2 - Body ground

      Ignition switch ON

      11 to 14 V

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      B35-1 - G139-2 (REV)

      Always

      Below 1 Ω

      B35-1 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE NAVIGATION RECEIVER ASSEMBLY

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR