2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 621
1. Replace malfunctioning electric throttle control actuator.
2. Go to See: P Code Charts/P1226.
- INSPECTION END
Special Repair Requirement
1.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Programming and Relearning/Throttle Valve Closed
Position Learning/Special Repair Requirement
- GO TO 2.
2.PERFORM IDLE AIR VOLUME LEARNING
See: Engine, Cooling and Exhaust/Engine/Tune-up and Engine Performance Checks/Idle Speed/Testing and Inspection/Programming and
Relearning/Special Repair Requirement
- END
P1233
P1233, P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Description
Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor. The throttle position sensor provides feedback to the
ECM, when open/closes the throttle valve in response to driving conditions via the throttle control motor.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1233 or P2101 is displayed with DTC P1238, P2119, first perform the trouble diagnosis for DTC
P1238, P2119. See: P Code Charts/P1238.
If DTC P2101 or P2101 is displayed with DTC P1290, P2100, first perform the trouble diagnosis for DTC
P1290, P2100. See: P Code Charts/P1290.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V when engine is running.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES - Go to See: P Code Charts/P1233.
