Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Circuit inspection
Toyota Corolla (E120): Circuit inspection
How to read and use each page is shown below.
Other materials:
Diagnostic trouble code chart
Hint:
when the srs warning light remains lit up and the dtc is the normal
code, this means a voltage source
drops.
This malfunction is not stored in memory by the airbag sensor assy center
and if the power source
voltage returns to normal, the srs warning light will autom ...
Overhaul
1. Remove speedometer drive (mtm) gear
Remove the speedometer drive (mtm) gear from the front
differential case.
2. Remove front differential ring gear
Place matchmarks on the front differential ring gear and
front differential case.
Remove the 8 bolts. Using a hamme ...
Seat belt warning lamp for front passenger’s seat
does not flash
Wiring diagram
Inspection procedure
1 Inspect combination meter assy
Ground terminal c9–11 on the combination meter side.
check that the warning lightlights up.
Ok: warning light lights up.
2 Inspect passenger seat belt warning lamp assy
Ground terminal c9– ...