NAVIGATION SYSTEM (for Radio and Display Type) Reverse Signal Circuit

DESCRIPTION

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

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

   
   

   1. Disconnect the I155 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 I155-2 (REV) - Body ground Ignition switch ON Shift lever in R 11 to 14 V I155-2 (REV) - Body ground Ignition switch ON Shift lever other than R Below 1 V

   
   

   NG

   CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) Click here

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

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

   
   

   1. Disconnect the I155 radio and display receiver assembly connector.

   2. Disconnect the E85 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 I155-2 (REV) - E85-2 (RL) Always Below 1 Ω I155-2 (REV) - Body ground Always 10 kΩ or higher

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

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

   
   

   1. Disconnect the E85 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 E85-1 (RB) - Body ground Ignition switch ON 11 to 14 V

      Result
      Result Proceed to NG A OK B

   
   

   B

   REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here

   A

   REPAIR OR REPLACE HARNESS OR CONNECTOR