Toyota Corolla Repair Manual: Inspection procedure
1 Inspect fuse(ecu–ig fuse)
- Remove ecu–ig fuse from the instrument panel j/b.
- check continuity of ecu–ig fuse.
Ok: continuity
2 Inspect battery
Ok: voltage: 10 – 14 v
3 Inspect skid control ecu connector(ig1 terminal voltage)
In case of using hand–held tester:
- check the voltage condition output from the ecu displayed on the
hand–held tester.
Ok: ”normal” is displayed.
In case of not using hand–held tester:
- disconnect the skid control ecu connector.
- turn the ignition switch to on.
- measure voltage between terminals ig1 (3) and gnd (1,
23) of skid control ecu harness side connector.
Ok: oltage: 10 – 14 v
4 Inspect skid control ecu connector(gnd terminal continuity)
Measure resistance between terminal gnd (1, 23) of skid control ecu harness side connector and body ground.
Ok: resistance: 1 Ω or less
Check and replace brake actuator assy
Circuit description
This is the power source of the ecu, hence the actuators.
Wiring diagram
...
Open circuit in stop light switch
circuit
Dtc c1249/49 open circuit in stop light switch
circuit ...
Other materials:
Rear view monitor system precautions
■ Area displayed on screen
The rear view monitor system displays an image of the view from the bumper of
the rear area of the vehicle.
To adjust the image on the rear view monitor system screen.
• The area displayed on the screen may vary according to vehicle orientation
conditions.
• ...
Although system is powered,cd cannot be played
Wiring diagram
Inspection procedure
1 Check if a proper cd is inserted
Check that a proper cd is inserted.
Make sure that the cd is a normal audio cd, and that there is no
deformation, flaw, stain, burr
and other defects on the cd.
Standard: normal audio cd.
Reference:
...
How to proceed with troubleshooting
Hint:
troubleshooting of the wireless door lock control system is based on
the premise that the power door
lock system is operating normally. Therefore, before troubleshooting the
wireless door lock control system,
first make certain that the the power door lock system is operating
...