Toyota Corolla (E120): Circuit description
The wireless receiver receives a set/unset signal for the tvip system and sends the signal to the tvip ecu via the integration relay.
Wiring diagram
Other materials:
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...
Light control switch circuit
Wiring diagram
Inspection procedure
1 Check headlamp dimmer switch assy (light control switch)
2 Check wire harness (tvip ecu light control switch)
Disconnect the tvip ecu and light control switch connectors.
check the continuity between the terminals of the tvip
e ...
Basic repair hint
(A) hints on operations
1
Looks
Always wear a clean uniform.
Hat and safety shoes must be worn.
2
Vehicle protection
Set a grill cover, fender cover, seat cover and floor mat before
starting the operation.
3
Safe ...