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.
   • 6CH CAN gateway
   • Harness connectors M209 and M204
2. Check the continuity between the 6CH CAN gateway harness connector and the harness connector.

   6CH CAN gateway harness connector		Harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M462	1	M209	9	Existed
   	13		25	Existed

Is the inspection result normal?

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GO TO 3.

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Repair the main line between the 6CH CAN gateway and the harness connector M209.

1. Disconnect the connector of automatic back door control module.
2. Check the continuity between the harness connector and the automatic back door control module harness connector.

   Harness connector		Automatic back door control module harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M204	9	M115	24	Existed
   	25		12	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 6CH CAN gateway and the automatic back door control module.

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Repair the main line between the harness connector M204 and the automatic back door control module.