Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 476 / 1164

AUTOMATIC TRANSMISSION -
Troubleshooting
23-16
Code No. 26 Stop lamp switch system Probable cause
If the stop lamp switch is on for 5 minutes or more while driving, it is judged that
there is a short circuit in the stop lamp switch and diagnosis code No. 26 is output.
D Malfunction of the stop lamp switch
D Malfunction of connector
D Malfunction of the A/T-ECU
Stop lamp switch check (Refer to GROUP 35 - Brake Pedal.)
NG
Replace
OK
Check the following connectors:
B-28, B-65, B-14, B-10
NG
Repair
OK
Harness check
D Between stop lamp switch and A/T-ECU
NG
Repair
OK
Check the trouble symptoms.
NG
Replace the A/T-ECU.
Code No. 31 Low and reverse solenoid valve system
Probable cause
Code No. 32 Underdrive solenoid valve system
Code No. 33 Second solenoid valve system
Code No. 34 Overdrive solenoid valve system
If the resistance value for a solenoid valve is too large or too small, it is judged
that there is a short-circuit or an open circuit in the solenoid valve and the respective
diagnosis code is output. The transmission is locked into 3rd gear as a fail-safe measure,
and the N range lamp flashes at a frequency of 1 Hz.
D Malfunction of solenoid valve
D Malfunction of connector
D Malfunction of the A/T-ECU
Solenoid valve check (Refer to P.23-52.)
NG
Replace
OK
Check the following connectors:
A-88, A-12X, B-12, B-10
NG
Repair
OK
Harness check
D Between solenoid valve and A/T-ECU
NG
Repair
OK
Replace the solenoid valve.
Check the trouble symptoms.
NG
Replace the A/T-ECU.