2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 615
P1212 TCS COMMUNICATION LINE
Description
This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between
ECM and "ABS actuator and electric unit (control unit)".
Be sure to erase the malfunction information such as DTC not only for "ABS actuator and electric unit
(control unit)" but also for ECM after TCS related repair.
DTC Logic
DTC DETECTION LOGIC
NOTE:
- If DTC P1212 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
- If DTC P1212 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. See: P Code Charts/P0607.
Freeze frame data is not stored in the ECM for this self-diagnosis.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for at least 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES - Go to See: P Code Charts/P1212.
NO - INSPECTION END
Diagnosis Procedure
Go to See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Initial Inspection and Diagnostic
Overview/Fail-Safe/VDC/TCS/ABS See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Initial
Inspection and Diagnostic Overview/How to Perform Trouble Diagnosis.
P1217
P1217 ENGINE OVER TEMPERATURE
DTC Logic
DTC DETECTION LOGIC
NOTE:
- If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.
- If DTC P1217 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. See: P Code Charts/P0607.
If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will rise.
When the engine coolant temperature reaches an abnormally high temperature condition, a malfunction is indicated.
