TEST
ACTION
APPLICABILITY
15
Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Disconnect the PCM harness connectors.
Check connectors - Clean/repair as necessary
Turn the ignition on.
Measure the voltage between ground and the 5-volt Supply circuit.
Is the voltage below 0.5 volt?
All
Yes
→
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
Go To
16
16
Turn the ignition off.
Repair the 5-volt Supply circuit for a short to voltage.
Reconnect all harness connectors except the Vehicle Speed Sensor harness connector.
Turn the ignition on.
Measure the voltage of the 5-volt Supply circuit.
Is the voltage above 4.8 volts?
All
Yes
→
The repair is complete.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
17
Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Disconnect the PCM C1 harness connector.
Check connectors - Clean/repair as necessary
Measure the resistance of the 5-volt Supply circuit between the Vehicle Speed Sensor
harness connector and the PCM C1 harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Go To
18
No
→
Repair the 5-volt Supply circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
18
Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Disconnect the PCM harness connectors.
Check connectors - Clean/repair as necessary
Measure the resistance between ground and the 5-volt Supply circuit.
Is the resistance above 100 kohms?
All
Yes
→
Go To
19
No
→
Repair the 5-volt Supply circuit for a short to ground.
Perform ROAD TEST VERIFICATION - VER-2.
75
DRIVEABILITY - DIESEL
P0500-VEH. SPEED SENSOR PEC FREQUENCY TOO HIGH —
Continued