Combination Switch: Testing and Inspection

MULTI-FUNCTION SWITCH

Turn Signal And Hazard Warning Flasher Diagnosis:

Turn Signal And Hazard Warning Flasher Diagnosis:

FLASHER DIAGNOSIS
Should any function of the multi-function switch fail, the entire switch assembly must be replaced.

SWITCH DIAGNOSIS
To test the switch:

1. Disconnect and isolate the battery negative cable.
2. Remove the upper and lower steering column shrouds.
3. Disconnect the switch connector.

Fig.19 Combination Flasher Connector (A):

Fig.20 Multi-Function Switch Connector (B):

Fig.21 Windshield Wiper/Washer Switch Connector (C):

Multi-Function Switch Continuity Test Part 1:

Multi-Function Switch Continuity Test Part 2:

Multi-Function Switch Dimmer Control Resistance:

Using an ohmmeter, test for continuity (no resistance) between the terminals of the switch as shown in the Multi-Function Switch Continuity Test table for diagnosis.