2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 738
3.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Disconnect IPDM E/R harness connector E9.
2. Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors E12, F3
- Harness for open or short between ECM and IPDM E/R
- Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK FUSE
1. Disconnect 15 A fuse (No. 87) from IPDM E/R.
2. Check 15 A fuse for blown.
Is the inspection result normal?
YES - GO TO 6.
NO - Replace 15 A fuse.
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.
Is the inspection result normal?
YES - Replace IPDM E/R.
NO - Repair or replace harness or connectors.
P2118
P1236, P2118 THROTTLE CONTROL MOTOR
Description
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 opens/closes the throttle valve in response to driving conditions via the throttle control motor.
DTC Logic
DTC DETECTION LOGIC
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.
- 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/P1236.
