Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop

2 Customer problem analysis

3 Warning light check

4 The dtcs check (present and past dtcs)

5 The dtcs chart

6 Circuit inspection

7 Repair

8 Clear the dtcs (present and past dtcs)

9 The dtcs check (present and past dtcs)

10 Symptom simulation

11 Confirmation test

End
Customer problem analysis check

Other materials:
Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm
in order to control the hydraulic
pressure operation, the lock–up relay valve, which then the controls operation
of the lock–up clutch.
Fail safe function:
if the ecm detects a malfunction, it turns the ...
On–vehicle inspection
1. Washer motor
Operation check
pour the water into the washer jar with the washer
motor and the pump installed to the washer jar assy.
Connect the battery (+) to terminal 2 of the washer
motor and the pump, the battery (–) to terminal 1 of
the washer motor and the pump ...
Steering column
Preparation
Sst
Recomended tools
Equipment
...


