Toyota Corolla (E120): Circuit description
The microphone of the grass breakage sensor is built in the security indicator. When this microphone senses breakage of grass, the grass breakage sensor ecu sends the signal of this breakage to the tvip ecu.
Wiring diagram
Other materials:
Location
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Road test
1. Problem symptom confirmation
Taking into consideration the results of the customer problem analysis,
try to reproduce the symptoms
of the trouble. If the problem is that the transaxle does not shift up,
shift down, or the shift point is too
high or too low conduct the following road ...
Inspection procedure
Hint
Advanced timing over
(valve timing is out of specified range)
P0011
Retarded timing over
(valve timing is out of specified range)
P0012
If dtc p0011 or p0012 is displayed, check the vvt system circuit.
Read freeze frame data using the hand–held tester o ...