NO.2 VEHICLE MOVES IN N POSITION [5R55S]

id0503c1800700

2

Vehicle moves in N position

DESCRIPTION

•  Vehicle creeps in N position.

•  Vehicle creeps if brake pedal is not depressed in N position.

POSSIBLE CAUSE

•  If the vehicle moves in N position, basically, the malfunction is in the AT. Since a malfunction in the sensor circuit or output circuit is the cause of the malfunction in the AT, inspect the sensors, output circuit, and the related wiring harnesses.

1.  Clutch is burned (Forward clutch)

•  Control valve body malfunction

2.  Selector lever position disparity. Although the selector indicator shows N position, the hydraulic circuit shows D range or R position.

•  Incorrect fluid level

•  Fluid pump malfunction

•  Shift control cables

•  Main control

•  Case and clutches

Note

•  Before the following the troubleshooting steps, make sure that the Automatic Transmission On-Board Diagnostic and Automatic Transmission Basic Inspections are conducted.
(See BASIC INSPECTION [5R55S].)

Diagnostic procedure

STEP	INSPECTION		ACTION
1	Does the vehicle creep when the selector lever is moved slightly in the N position?	Yes	Go to the next step.
1		No	Adjust the selector lever. (See SELECTOR CABLE ADJUSTMENT.)
2	Disconnect the TCM connector. Is the resistance between TCM ground terminal CO and body ground, and between TCM ground terminal CL and body ground less than 5.0 ohms?	Yes	Go to the next step.
2		No	Repair the open ground circuit. Reconnect the TCM.
3	Inspect following items. • Fluid level • Fluid pump operation • Shift control cables • Main control • Case and clutches Are they normal?	Yes	Clean and inspect main control, if parts are damaged replace main control. If the problem remains, overhaul the transmission and repair or replace any malfunctioning parts.
3		No	Repair or replace any malfunctioning parts.
4	• Verify test results. ― If normal, return to the diagnostic index to service any additional symptoms. ― If the malfunction remains, inspect the related Service Information and perform repair or diagnosis. • If the vehicle repaired, the troubleshooting is completed. • If the vehicle the not repaired or additional diagnostic information is not available, replace the TCM.