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Reverse Signal Circuit








NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Reverse Signal Circuit

Reverse Signal Circuit

DESCRIPTION

The navigation receiver receives a reverse signal from the park/neutral position and information about the navigation antenna, and then adjusts 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 (SWITCH - NAVIGATION RECEIVER - BATTERY AND BODY GROUND)
OK -- REPLACE NAVIGATION RECEIVER ASSEMBLY
2. CHECK HARNESS AND CONNECTOR (SWITCH - NAVIGATION RECEIVER - BATTERY AND BODY GROUND)





(a) Disconnect the I6 navigation receiver assembly connector.
(b) Disconnect the D21 park / neutral position switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





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

Standard Voltage:





(e) Reconnect the navigation receiver assembly connector.
(f) Reconnect the park / neutral position switch assembly connector.

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

3. INSPECT PARK / NEUTRAL POSITION SWITCH ASSEMBLY





(a) Disconnect the D21 park / neutral position switch assembly connector
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





Result





(c) Reconnect the park / neutral position switch assembly connector.
E -- REPLACE PARK / NEUTRAL POSITION SWITCH ASSEMBLY
D -- REPLACE PARK / NEUTRAL POSITION SWITCH ASSEMBLY
C -- REPLACE PARK / NEUTRAL POSITION SWITCH ASSEMBLY
B -- REPLACE PARK / NEUTRAL POSITION SWITCH ASSEMBLY
A -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE