Operation CHARM: Car repair manuals for everyone.

Checking Speed Control On/Off Switch

Tests 1 - 3:




Tests 4 - 8:




Tests 9 - 10:





SYMPTOM
* CHECKING SPEED CONTROL ON/OFF SWITCH

POSSIBLE CAUSES
- Clockspring
- S/C RESUME/ACCEL switch
- S/C switch signal circuit shorted to ground
- S/C ON/OFF/SET switch (< 4.0 volts)
- S/C ON/OFF/SET switch (> 4.0 volts)
- S/C switch signal circuit open
- S/C switch signal circuit shorted to voltage
- Powertrain Control Module (< 4.0 volts)
- Powertrain Control Module (> 4.0 volts)