Diagnosis Procedure

1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).

Is the inspection result normal?

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GO TO 2.

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Repair the terminal and connector.

1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.

   BCM harness connector			Resistance (Ω)
   Connector No.	Terminal No.
   M18	6	5	Approx. 108 - 132

Is the measurement value within the specification?

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GO TO 3.

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Repair the BCM branch line.

Check the power supply and the ground circuit of the BCM. Refer to Diagnosis Procedure .

Is the inspection result normal?

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Replace the BCM. Refer to Removal and Installation .

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Error was detected in the BCM branch line.

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Repair the power supply and the ground circuit.