2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 705
With CONSULT-III
Perform "Self Diagnostic Results" in "TRANSMISSION".
Is any DTC detected?
YES - Check DTC detected item. See: Diagnostic Trouble Code Descriptions/DTC Index/TCM.
NO - GO TO 4.
4.CHECK INTERMITTENT INCIDENT
See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.
Is the inspection result normal?
YES - Replace A/T assembly. See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Service and Repair/Removal and
Replacement/7AT RE7R01A/Transmission Assembly/Exploded View.
NO - Repair or replace damaged parts.
5AT RE5R05A
P1730 INTERLOCK
Description
Fail-safe function to detect interlock conditions.
On Board Diagnosis Logic
- This is an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1730" with CONSULT-III or 12th judgment flicker without CONSULT-III is detected when TCM does not receive
the proper voltage signal from the sensor and switch.
- TCM monitors and compares gear position and conditions of each ATF pressure switch when gear is steady.
Possible Cause
- Harness or connectors
(Solenoid and switch circuit is open or shorted.)
- Low coast brake solenoid valve
- ATF pressure switch 2
DTC Confirmation Procedure
NOTE:
If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before
performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Start the engine.
2. Select "DATA MONITOR" in "TRANSMISSION".
3. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
SLCT LVR POSI: "D" position
4. If DTC is detected, go to See: P Code Charts/P1730/5AT RE5R05A.
WITH GST
Follow the procedure "WITH CONSULT-III".
Judgment of Interlock
When interlock is judged to be malfunctioning, the vehicle should be fixed in 2GR, and should be set in a condition in which it can travel.
NOTE:
When the vehicle is driven fixed in 2GR, a input speed sensor malfunction is displayed, but this is not a input speed sensor malfunction.
When interlock is detected at the 3GR or more, it is locked at the 2GR.
Diagnosis Procedure
1.CHECK SELF-DIAGNOSTIC RESULTS
With CONSULT-III
1. Drive vehicle.
2. Stop vehicle and turn ignition switch OFF.
3. Turn ignition switch ON.
4. Select "SELF-DIAG RESULTS" in "TRANSMISSION".
Without CONSULT-III
1. Drive vehicle.
2. Stop vehicle and turn ignition switch OFF.
3. Turn ignition switch ON.
4. Perform self-diagnosis. See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/5AT RE5R05A/Trouble Diagnosis/Diagnosis Procedure Without CONSULT-III.
