TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Turn the ignition on.
Measure the voltage of the Sensor Reference Voltage B circuit.
Choose the voltage range in which the Sensor Reference Voltage B circuit measured.
All
Below 4.5 volts
Go To
9
Between 4.5 and 5.5 volts
Go To
12
Above 5.5 volts
Go To
15
9
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Vehicle Speed Sensor harness connector.
Measure the resistance of the Sensor Reference Voltage B circuit.
Is the resistance below 10.0 ohms?
All
Yes
→ Go To 10
No
→ Repair the Sensor Reference Voltage B circuit for an open.
Perform ROAD TEST VERIFICATION - VER-2.
10
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the Vehicle Speed Sensor harness connector.
Measure the resistance between ground and the Sensor Reference Voltage B circuit.
Is the resistance above 1000 ohms?
All
Yes
→ Go To 11
No
→ Repair the Sensor Reference Voltage B circuit for a short to
ground.
Perform ROAD TEST VERIFICATION - VER-2.
11
Turn the ignition off.
Disconnect the Vehicle Speed Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the Sensor Reference Voltage B circuit and the
Sensor Ground circuit at the VSS harness connector.
Is the resistance above 1000 ohms?
All
Yes
→ Replace and program the ECM in accordance with the Service
Information.
Perform ROAD TEST VERIFICATION - VER-2.
No
→ Repair the Sensor Reference Voltage B circuit for a short to the
Sensor Ground circuit.
Perform ROAD TEST VERIFICATION - VER-2.
104
DRIVEABILITY - DIESEL
P0500-VEHICLE SPEED SENSOR FREQUENCY TOO HIGH —
Continued