Steering Column Switch Control Module Assemblies Test
NOTE:
Left switch control module contains turn signal/hazard, headlight, parking light, dimmer and wiper/washer switch. The right switch control module contains climate control and rear defogger switches.
- Disconnect negative battery cable. Remove lower instrument panel cover below steering column. Remove support bar and position air duct out of way. Remove wiring harness tie straps from lower column. Locate steering column connector, mounted to left of lower steering column. See Fig 1.
- Loosen hold-down nut in the center of the steering column connectors. Separate steering column connectors. Locate desired switch terminals of steering column connector. See Fig 2. Also, refer to STEERING COLUMN CONNECTOR TERMINAL ID .
- Check desired switch's circuit for continuity when switch is turned to specific position in question. Refer to STEERING COLUMN CONNECTOR TERMINAL ID . If switch circuit continuity is not correct, replace appropriate switch module assembly.
STEERING COLUMN CONNECTOR TERMINAL ID
| Terminal | Wire Color | Circuit | ||
|---|---|---|---|---|
| A1 | Light Blue/Yellow | Right Turn | ||
| A2 | Brown/Light Green | Right Turn | ||
| A3 | Brown/Orange | Left Turn | ||
| A4 | Light Blue/White | Left Turn | ||
| A5 | White/Light Green | Headlight Dimmer | ||
| A6 | Light Green/Black | High Beam Flash | ||
| A7 | Light Green/Orange | Headlight | ||
| A8 | Light Green/Red | Parking Light | ||
| A9 | Light Green/Yellow | Headlight Off | ||
| A10 | Light Blue/Light Green | I/P Lights | ||
| A11 | Pink/Orange | Dimmer Switch Power | ||
| A12 | Gray | Wiper Switch Illumination | ||
| A13 | Orange | I/P Illumination | ||
| A14 | Black/Light Green | Ground | ||
| A15 | - | Not Used | ||
| A16 | Yellow | Switchable Ground | ||
| A17 | Black | Ground | ||
| B1 | Black | Ground | ||
| B2 | Black/Light Blue | Switchable Ground | ||
| B3 | Gray/Orange | Horn Relay Power | ||
| B4 | Black/Light Green | Ground | ||
| B5 (1) | Dark Blue (2 wires) | Ignition | ||
| B6 | Red | Unfused Battery | ||
| C1 | Gray/Black | Low Brake Fluid | ||
| C2 | Light Blue | Ignition Key Warning | ||
| C3 | Black | Ground | ||
| C4 | Yellow/White | Left Turn Cancel | ||
| C5 | Red (2 wires) | Ignition Run | ||
| C6 | - | Not Used | ||
| D1 | Yellow | Starter | ||
| D2 | Black/Orange | Ignition Run/Acc. | ||
| D3 | Red/Light Green | Cruise Speed Set | ||
| D4 | Light Blue/Orange | Right Turn Cancel | ||
| D5 | Red | Unfused Battery | ||
| D6 | - | Not Used | ||
| E1 | Black | Ground | ||
| E2 | Orange | I/P Illumination | ||
| E3 | Yellow/Light Green | Defrost | ||
| E4 | Light Blue/White | Rear Defogger | ||
| E5 | Yellow/Orange | Temperature Select | ||
| E6 | Purple/Orange | Fan Speed Select | ||
| E7 | Orange/Light Green | Vent Select | ||
| E8 | Orange/White | Front Defogger | ||
| E9 | Light Blue/Red | Select OFF | ||
| E10 | Tan/Black | Select ON | ||
| E11 | Black/Red | Hazard Ground | ||
| E12 | Gray/Yellow | Rear Defrost | ||
| E13 | - | Not Used | ||
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