TEST
ACTION
APPLICABILITY
11
Turn the ignition off.
Disconnect the Brake Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Be sure the brake pedal is not depressed during the next step.
Measure the resistance between the S/C power supply circuit and the S/C brake
switch output circuit (measurement taken across switch).
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
12
No
→
Replace the Brake Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
12
Turn the ignition off.
Disconnect the Speed Control Servo harness connector.
Disconnect the Brake Lamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the S/C Brake Switch Output circuit.
Is the resistance below 5.0 ohms?
All
Yes
→
Repair Switched S/C Brake Switch Output circuit shorted to
ground.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No
→
Go To
13
13
Turn the ignition off.
Disconnect the S/C Servo harness connector.
Disconnect the Brake Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the S/C Brake Switch Output Circuit from the Brake
Switch harness Connector to the Servo harness Connector.
Is the resistance above 5.0 ohms?
All
Yes
→
Repair the open S/C Brake Switch Output Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No
→
Go To
14
14
Turn the ignition off.
Disconnect the Brake Switch harness connector.
Disconnect the PCM harness connector(s).
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the S/C Power Supply Circuit from the PCM harness
connector to the Brake Switch harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
15
No
→
Repair the open S/C Power Supply Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
273
SPEED CONTROL
P1595-SPEED CONTROL SOLENOID CIRCUITS —
Continued