Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Reverse Signal Circuit





NAVIGATION: NAVIGATION SYSTEM (w/ CD Player): 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.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT NAVIGATION RECEIVER ASSEMBLY





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

Standard Voltage:





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 E82 navigation receiver assembly connector.





(b) Disconnect the B26 park/neutral position switch.

(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. INSPECT PARK/NEUTRAL POSITION SWITCH

(a) Disconnect the B26 switch connector.





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

Standard Resistance:





Result





E -- REPLACE PARK/NEUTRAL POSITION SWITCH

D -- REPLACE PARK/NEUTRAL POSITION SWITCH Removal

C -- REPLACE PARK/NEUTRAL POSITION SWITCH

B -- REPLACE PARK/NEUTRAL POSITION SWITCH Service and Repair

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