Diagnosis Procedure

1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
   • Harness connector M209
   • Harness connector M204

Is the inspection result normal?

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GO TO 2.

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Repair the terminal and connector.

1. Disconnect the following harness connectors.
   • AWD control unit
   • Harness connectors M209 and M204
2. Check the continuity between the AWD control unit harness connector and the harness connector.

   AWD control unit harness connector		Harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M100	8	M209	7	Existed
   	16		23	Existed

Is the inspection result normal?

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GO TO 3.

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Repair the main line between the AWD control unit and the harness connector M209.

1. Disconnect the connector of chassis control module.
2. Check the continuity between the harness connector and the chassis control module harness connector.

   Harness connector		Chassis control module harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M204	7	M96	4	Existed
   	23		3	Existed

Is the inspection result normal?

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Check CAN system type decision again.

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Error was detected in the main line between the AWD control unit and the chassis control module.

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Repair the main line between the harness connector M204 and chassis control module.