2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 613
YES - GO TO 14.
NO - Remove debris and clean the signal plate of camshaft rear end or replace camshaft.
14.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.EXHAUST VALVE TIMING CONTROL POSITION SENSOR-I
1. Turn ignition switch OFF.
2. Disconnect exhaust valve timing control position sensor harness connector.
3. Loosen the fixing bolt of the sensor.
4. Remove the sensor.
5. Visually check the sensor for chipping.
Is the inspection result normal?
YES - GO TO 2.
NO - Replace malfunctioning exhaust valve timing control position sensor.
2.EXHAUST VALVE TIMING CONTROL POSITION SENSOR-II
Check resistance exhaust valve timing control position sensor terminals as shown below.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace malfunctioning exhaust valve timing control position sensor.
P1148
P1148, P1168 CLOSED LOOP CONTROL
DTC Logic
DTC DETECTION LOGIC
NOTE:
DTC P1148 or P1168 is displayed with another DTC for air fuel ratio (A/F) sensor 1.
Perform the trouble diagnosis for the corresponding DTC.
