Malfunctioning Operation of Lamps and Wipers: Notes

Confirm symptom, and confirm malfunctioning system No. from the table below.

Fig 1: Symptom Check Chart

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1. :GO TO 2.

1. Disconnect BCM connector and combination switch connector.
2. Check continuity between BCM harness connector of Malfunctioning system and ground.

Fig 2: Checking Continuity Between BCM Harness Connector Of Malfunctioning System And Ground

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Fig 3: Malfunction Terminal Chart

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OK or NG 

1. OK : GO TO 3.
2. NG : Repair harness.

Connect BCM connector. Check voltage between BCM input terminal of applicable malfunctioning system and ground.

Fig 4: Checking Voltage Between BCM Input Terminal Of Applicable Malfunctioning System And Ground

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Fig 5: Inspection Of BCM Input Terminal Voltage Chart

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OK or NG 

1. OK : Combination switch malfunction, go to 4.
2. NG : Replace BCM.

Following the table below, check combination switch.

Fig 6: Combination Switch Inspection Chart

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1. :Inspection End