Hazard Warning Lamps: Testing and Inspection

MULTI-FUNCTION SWITCH

WARNING: To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbag, seat belt tensioner, impact sensor or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable. Wait two minutes for the system capacitor to discharge before performing further diagnosis or service. On vehicles equipped with the optional Hybrid Electric Vehicle (HEV) system, a technician trained in proper HEV service safety procedures must also remove the high voltage service disconnect from the high voltage battery pack. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment. Failure to follow these instructions may result in possible serious or fatal injury.





1. Remove the multi-function switch from the switch mounting housing on the steering column. Multifunction Switch - Removal.
2. Disconnect the wire harness connector from the back of the multi-function switch.
3. Using an ohmmeter, test the resistance between the terminals of the switch as shown in the Multi-Function Switch Tests table.





4. If the switch fails any of the tests, replace the ineffective multi-function switch as required.