Toyota Corolla (E120): Components


Other materials:
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtcs and freeze frame data
4 Problem symptom confirmation
Symptom does not occur: go to
step 5
Symptom occurs: go to step 6
5 Symptom simulation
6 Dtc check
There is no
output: go to step 7
There is outp ...
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
Malfunction in fuel receiver gauge
Wiring diagram
Inspection procedere
1 Inspect fuel sender gage assy
Disconnect the connector fuel sender gauge.
check the float position between e and f and measure
the resistance between terminals 2 and 3 of the connector.
Check that the resistance value changes continuously.
S ...


