2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 719
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK STOP LAMP SWITCH-II
1. Adjust stop lamp switch installation. See: Brakes and Traction Control/Brake Pedal Assy/Service and Repair/Inspection and Adjustment.
2. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace stop lamp switch.
5AT RE5R05A
P1815 M-MODE SWITCH
Description
Manual mode switch is installed in A/T shift selector. It sends manual mode switch, shift up and shift down switch signals to TCM.
TCM sends the switch signals to unified meter and A/C amp. by CAN communication line. Then manual mode switch position is indicated on the
A/T indicator. For inspection, See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/5AT RE5R05A/A/T Indicator Circuit/Description See: Powertrain Management/Transmission Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/5AT RE5R05A/A/T Indicator Circuit/CONSULT-III Reference Value In Data Monitor Mode See:
Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/5AT RE5R05A/A/T Indicator
Circuit/Diagnosis Procedure.
CONSULT-III Reference Value in Data Monitor Mode
On Board Diagnosis Logic
- This is not an OBD-II self-diagnostic item.
- Diagnostic trouble code "P1815" with CONSULT-III is detected when TCM monitors Manual mode, Non manual mode, Up or Down switch
signal, and detects as irregular when impossible input pattern occurs 1 second or more.
Possible Cause
- Harness or connectors
(These switches circuit is open or shorted.)
- Manual mode select switch (Into A/T shift selector)
- Manual mode position select switch (Into A/T shift selector)
DTC Confirmation Procedure
