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
- Speed control Resume/Accel switch
- Speed control switch signal circuit shorted to ground
- Speed control ON/OFF/SET switch(< 4.0 V)
- Speed control ON/OFF/SET switch (>4.0 V)
- Speed control switch signal circuit open
- Speed control switch signal circuit shorted to voltage
- Powertrain control module (< 4.0 V)
- Powertrain control module (> 4.0 V)