Diagnosis And Testing - Multi-Function Switch
WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the appropriate SYSTEM WIRING DIAGRAMS .
WARNING:
ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, SEAT BELT TENSIONER, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
- Remove the multi-function switch from the mounting housing on the steering column. (Refer to REMOVAL ).
- Using an ohmmeter, perform the continuity and resistance tests at the terminals in the multifunction switch connector as shown in the MULTI-FUNCTION SWITCH TESTS CHART
( Fig 1
).MULTI-FUNCTION SWITCH TESTS CHART
TURN & HAZARD SWITCH POSITIONS CONTINUITY BETWEEN TURN SIGNAL HAZARD WARNING Left Off Pins 5 & 11 Right Off Pins 3 & 11 Neutral On Pins 1 & 11 WIPER & WASHER SWITCH POSITIONS CONTINUITY BETWEEN Off Pins 14 & 15 (1) Delay Pins 4 & 18, Pins 14 & 15 Low Pins 15 & 17 High Pins 15 & 16 Wash Pins 18 & 19 INTERMITTENT WIPE DETENT POSITIONS RESISTANCE Detent 1 (Longest Delay) 18 kilohms Detent 2 12 kilohms Detent 3 6.2 kilohms Detent 4 3.3 kilohms Detent 5 (Shortest Delay) zero ohms HEADLAMP BEAM SELECT SWITCH POSITIONS CONTINUITY BETWEEN Low Beam Pins 6 & 9 High Beam Pins 8 & 9 Flash (Optical Horn) Pins 7 & 8 (1) Resistance for the five intermittent wipe detent positions should also be checked between Pins 2 & 4. The resistance values are as follows, +/- 10%. - If the multi-function switch fails any of the continuity or resistance tests, replace the faulty switch unit as required.