W/Harness Inspection

Engine Control
P2159 Vehicle Speed Sensor \'B\' Range / Performance(Wheel Speed Sensor) - Inspection/Repair:_:W/Harness Inspection

Signal Circuit Inspection

1. Check for short to ground in signal circuit
(1) Ignition "OFF".
(2) Disconnect PCM and ESC Control Module connectors.
(3) Measure resistance between Vehicle speed input terminal of PCM harness connector and chassis ground.

Specification :Infinite




(4) Is resistance within the specification?





2. Check for short to battery in signal circuit
(1) Ignition "ON" & Engine"OFF".
(2) Measure voltage between Vehicle speed input terminal of PCM harness connector and chassis ground.

Specification :Approx. 0V




(3) Is voltage within the specification?





3. Check for open in signal circuit
(1) Ignition "OFF".
(2) Measure resistance between Vehicle speed input terminal of PCM harness connector and Vehicle speed output terminal of ESC Control Module harness connector.

Specification :Approx. 0Ohms




(3) Is resistance within the specification?