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Navigation ECU Communication Stop Mode





CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Navigation ECU Communication Stop Mode
- Navigation ECU Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN BUS LINE FOR DISCONNECTION (NAVIGATION ECU BRANCH WIRE)

(a) Disconnect the K46 navigation ECU connector.





(b) Measure the resistance of the wire harness side connector.

Standard resistance:





NG -- REPAIR OR REPLACE NAVIGATION ECU BRANCH WIRE OR CONNECTOR (CANH, CANL)
OK -- Continue to next step.

2. CHECK WIRE HARNESS (NAVIGATION ECU - BATTERY AND BODY GROUND)

(a) Disconnect the K46 navigation ECU connector.





(b) Measure the resistance of the wire harness side connector.

Standard resistance:





(c) Measure the voltage of the wire harness side connector.

Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE NAVIGATION ECU