DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.

Diagnosis Procedure
1.REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
CAUTION: Replace ABS actuator and electric unit (control unit) when self-diagnostic result shows items other than that applicable.
Special Repair Requirement
1.ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform the neutral position adjustment for the steering angle sensor, when replacing the ABS actuator and electric unit (control unit).
C1109 battery voltage [abnormal]
C1111 pump motorTilt switch
Description
ADP steering switch (tilt switch) is equipped to the steering column. The
operation signal is input to the automatic drive positioner control unit when
the tilt switch is operated.
Component Function Check
1. CHECK FUNCTION
Select "TILT SW-UP", "TILT SW-DOWN" in "DATA MONITOR" ...
Normal operating condition
Description
Symptom
Result
Slight vibrations are felt on the brake pedal and the operation
noises occur, when VDC, TCS or ABS is activated.
This is a normal condition
due to the VDC,
TCS or ABS activation.
Stopping distance is longer than that of v ...
P0138, P0158 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...