2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 547
3. Check the voltage between PSP sensor harness connector and ground.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK PSP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between PSP sensor harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair open circuit, short to ground short to power in harness or connectors.
4.CHECK PSP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between PSP sensor harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK PSP SENSOR
See: P Code Charts/P0550.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace PSP sensor.
6.CHECK INTERMITTENT INCIDENT
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble
Diagnosis For Intermittent Incident/Description.
- INSPECTION END
Component Inspection
1.CHECK POWER STEERING PRESSURE SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Start engine and let it idle.
