Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 923

22A-16
MANUAL TRANSMISSION - Troubleshooting <ACD>
Code No.32, 33 Steering wheel sensor <ST-N> system
Code No.32 is output when the steering wheel sensor ST-N has been detected
at the neutral position in a state where the steering wheel has been determined
to have changed above 40_C from steering wheel sensor ST-1 and ST-2.
Code No.33 is output when the steering wheel sensor ST-N has been detected
at the neutral position in a state where the steering wheel has been determined
to have changed above 400_C from steering wheel sensor ST-1 and ST-2.
MUT-II Data List
D No.52 Steering wheel sensor <ST-N>
(1) Steering wheel: Neutral
OK: ON
(2) Steering wheel: Turn from neutral position
OK: OFF
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Measure at 4WD-ECU connector C-43.
D Measure the ECU terminal voltage.
D Ignition switch: ON
D Voltage between terminal 44 and earth (Steering wheel
sensor <ST-N>)
OK: When the steering wheel is turned, changes to
approx. 1.5 V or 3.5 V.
Check the following connectors:
<L.H. drive vehicles> C-230, C-128, C-43
<R.H. drive vehicles> C-230, C-43
NG→Repair
Check the harness between the 4WD-ECU and steering wheel
sensor.
D Check for damage of the output line.
Check the damage between the steering wheel sensor and
body earth.
D Check for open circuit and damage of the earth line.
NG→Repair
Replace the steering wheel sensor.
NG
OK
NG
OK
OK
Probable cause
D Harness or connector fault
D Steering wheel sensor fault
D 4WD-ECU fault
Check the following connector: C-43
NG→Repair
MUT-II Data List
D No.52 Steering wheel sensor <ST-N>
(1) Steering wheel: Neutral
OK: ON
(2) Steering wheel: Turn from the neutral position
OK: OFF
NG→Replace 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
OK