Reverse Signal Circuit
NAVIGATION: NAVIGATION SYSTEM: Reverse Signal Circuit
Reverse Signal Circuit
DESCRIPTION
The navigation receiver assembly receives a reverse signal from the BK/UP LP relay and information about the GPS antenna, and then adjusts the vehicle position on the navigation display.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK BACK-UP LIGHT
(a) Move the shift lever to the R position and check if the back-up lights come on.
OK:
The back-up lights come on.
NG -- GO TO LIGHTING SYSTEM
OK -- Continue to next step.
2. INSPECT NAVIGATION RECEIVER ASSEMBLY
(a) Disconnect navigation receiver assembly connector E5.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY