Reverse Signal Circuit

NAVIGATION: NAVIGATION SYSTEM: Reverse Signal Circuit
- Reverse Signal Circuit

DESCRIPTION

The radio and display receiver assembly receives a reverse signal from the park/neutral position switch assembly to use for adjusting the vehicle position on the multi-display.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)

(a) Disconnect the R15 radio and display receiver assembly connector.





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

Standard Voltage:





Text in Illustration





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

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

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

(a) Disconnect the R15 radio and display receiver assembly connector.

(b) Disconnect the P1 park/neutral position switch assembly connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

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

(a) Disconnect the P1 park/neutral position switch assembly connector.





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

Standard Voltage:





Text in Illustration





Result





B -- REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY Removal

C -- REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

A -- REPAIR OR REPLACE HARNESS OR CONNECTOR