REAR VIEW MONITOR SYSTEM(for Inner Rear View Mirror Type) Reverse Signal Circuit

DESCRIPTION

The inner rear view mirror assembly receives a reverse signal from the park/neutral position switch assembly*1 or back-up light switch assembly*2.


WIRING DIAGRAM

A005918E05
A005918E06

PROCEDURE


  1. CHECK INNER REAR VIEW MIRROR ASSEMBLY

    A005968E02
    Text in Illustration
    *a

    Front view of wire harness connector

    (to Inner Rear View Mirror Assembly)


    1. Disconnect the K10 inner rear view mirror assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      K10-3 (REV) - Body ground Ignition switch ON, shift lever in R 11 to 14 V
      K10-3 (REV) - Body ground Ignition switch ON, shift lever not in R Below 1 V

    OK
    NG
  2. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      except Manual Transaxle A
      for Manual Transaxle B

    B
    A
  3. CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)


    1. Disconnect the K10 inner rear view mirror assembly connector.

    2. Disconnect the B14 park/neutral position switch assembly connector.

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

      Standard Resistance
      for Automatic Transaxle
      Tester Connection Condition Specified Condition
      K10-3 (REV) - B14-1 (RL) Always Below 1 Ω
      K10-3 (REV) - Body ground Always 10 kΩ or higher
      for CVT
      Tester Connection Condition Specified Condition
      K10-3 (REV) - B14-2 (RL) Always Below 1 Ω
      K10-3 (REV) - Body ground Always 10 kΩ or higher

    NG
    OK
  4. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY


    1. A0058SOE20
      Text in Illustration
      *A for Automatic Transaxle
      *B for CVT

      Remove the park/neutral position switch assembly.


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

      Standard Resistance
      for Automatic Transaxle
      Tester Connection Condition Specified Condition
      1 (RL) - 2 (RB) Shift lever in R Below 1 Ω
      Shift lever not in R 10 kΩ or higher
      for CVT
      Tester Connection Condition Specified Condition
      2 (RL) - 1 (RB) Shift lever in R Below 1 Ω
      Shift lever not in R 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (for U241E) B
      NG (for K311) C
      NG (for K111) D

    A
    B
    C
    D
  5. CHECK HARNESS AND CONNECTOR (INNER REAR VIEW MIRROR ASSEMBLY - BACK-UP LIGHT SWITCH ASSEMBLY)


    1. Disconnect the K10 inner rear view mirror assembly connector.

    2. Disconnect the B5 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
      K10-3 (REV) - B5-1 (RL) Always Below 1 Ω
      K10-3 (REV) - Body ground Always 10 kΩ or higher

    NG
    OK
  6. INSPECT BACK-UP LIGHT SWITCH ASSEMBLY


    1. A005510E03

      Remove the back-up light switch assembly.


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 (RL) - 2 (RB) Pushed Below 1 Ω
      Released 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (for EC60) B
      NG (for EB60) C

    A
    B
    C