Diesel Data: Automotive Repair

Reverse Signal Circuit








NAVIGATION: NAVIGATION SYSTEM: Reverse Signal Circuit

Reverse Signal Circuit

DESCRIPTION

The navigation receiver assembly receives a reverse signal from the park/neutral position switch and information about the GPS antenna, and then adjusts vehicle position.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT NAVIGATION RECEIVER ASSEMBLY




(a) Disconnect navigation receiver assembly connector F13.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:






OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY
NG -- Continue to next step.
2. CHECK BACK-UP LIGHT
(a) Move the shift lever to the reverse position and check if the back-up lights come on.
OK:
The back-up lights come on.
NG -- GO TO LIGHTING SYSTEM
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - BK/UP LP RELAY)