TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the Speed Control On/Off Switch 2-way harness connector only.
Note: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the S/C Switch Signal Circuit for voltage at the On/Off Switch 2-way
connector.
Is the voltage above 6.0 volts?
All
Yes
→
Repair the Speed Control Switch Signal Circuit for a short to
voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No
→
Go To
8
8
Turn the ignition off.
Disconnect the Clockspring 6-way harness connector (instrument panel harness side)
.
Disconnect the PCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the S/C Switch Signal Circuit from
the PCM to the Clockspring Connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
9
No
→
Repair open Speed Control Switch Signal Circuit PCM to Clock-
spring.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
9
Turn the ignition off.
Disconnect the On/Off switch 2-way harness connector.
Disconnect the upper clockspring harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the S/C Switch Signal Circuit from the clockspring harness
connector to the On/Off switch harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
10
No
→
Repair the open Speed Control Switch Signal Circuit Clockspring
to S/C switch.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
10
If there are no possible causes remaining, replace the Powertrain Control Module.
View repair options.
All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
281
SPEED CONTROL
P1596-SPEED CONTROL SWITCH ALWAYS HIGH —
Continued