NAVIGATION SYSTEM(for Sedan) Reverse Signal Circuit

DTC Code DTC Name
Reverse Signal Circuit

DESCRIPTION

  • for K311:

  • The radio and display receiver assembly receives a reverse signal from the park/neutral position switch assembly.

  • for EC60, EC61, EC65A, EC69:

  • The radio and display receiver assembly receives a reverse signal from the back-up light switch assembly.

WIRING DIAGRAM

E245535E09

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

    1. Disconnect the E60 radio and display receiver assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      E60-2 (REV) - Body ground

      Ignition switch ON

      Shift lever in R

      11 to 14 V

      Ignition switch ON

      Shift lever in any position other than R

      Below 1 V

      Result

      Result

      Proceed to

      OK

      A

      NG (for K311)

      B

      NG (for EC60, EC61, EC69)

      C

      NG (for EC65A)

      D

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    C

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)Click here

    D

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)Click here

    B
  2. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)

    1. Disconnect the E60 radio and display receiver assembly connector.

    2. Disconnect the B182 park/neutral position switch assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E60-2 (REV) - B182-2 (RL)

      Always

      Below 1 Ω

      E60-2 (REV) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

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

    1. Disconnect the B182 park/neutral position switch assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      B182-1 (RB) - Body ground

      Ignition switch ON

      11 to 14 V

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  4. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)

    1. Disconnect the E60 radio and display receiver assembly connector.

    2. Disconnect the B38 back-up light switch assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E60-2 (REV) - B38-1

      Always

      Below 1 Ω

      E60-2 (REV) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

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

    1. Disconnect the B38 back-up light switch assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      B38-2 - Body ground

      Ignition switch ON

      11 to 14 V

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE BACK-UP LIGHT SWITCH ASSEMBLY

    for EC60:Click here

    for EC61:Click here

    for EC69:Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)

    1. Disconnect the E60 radio and display receiver assembly connector.

    2. Disconnect the A102 back-up light switch assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      E60-2 (REV) - A102-1 (RL)

      Always

      Below 1 Ω

      E60-2 (REV) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK
  7. CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT SWITCH ASSEMBLY - BATTERY)

    1. Disconnect the A102 back-up light switch assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      A102-2 (RB) - Body ground

      Ignition switch ON

      11 to 14 V

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE BACK-UP LIGHT SWITCH ASSEMBLY

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR