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 the vehicle position on the navigation display.

WIRING DIAGRAM

INSPECTION PROCEDURE

PROCEDURE

1. INSPECT NAVIGATION RECEIVER ASSEMBLY

(a) Disconnect the navigation 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 (NAVIGATION RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH)

OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY Removal

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

(a) Disconnect the navigation receiver assembly connector.

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

Text in Illustration

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

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

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

Standard Voltage:

Result:

Text in Illustration

C -- REPLACE PARK/NEUTRAL POSITION SWITCH (for U760E) Removal

B -- REPLACE PARK/NEUTRAL POSITION SWITCH (for U660E)

A -- REPAIR OR REPLACE HARNESS OR CONNECTOR