Toyota Corolla (E120): Inspection
1. Inspect inner rear view mirror assy
- Inspect the electro chromic inner mirror operation.
- Connect the positive (+) lead from the battery to terminal 1 and negative (–) lead to terminal 2.
- ) Attach black colored tape to the forward sensor to prevent it from sensing.
- Light up the mirror with an electric light, and check that the mirror surface changes from ”bright” to ”dark”.
If the operation is not as specified, replace the inner mirror assembly.
Other materials:
Inspection procedure
Hint:
troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
Connect the hand–held tester or the obd ii scan tool to the dlc 3.
turn the ignition switch on and push the hand–held tester or the
obd ii scan tool main switch on.
read the dtc . ...
How to proceed with troubleshooting
1 Vehicle brought in
2 Customer problem analysis check and symptom check
3 Problem symptoms table
Without applicable symptoms, proceed to ”a”
with applicable symptoms, proceed to ”b”
4 Perform troubleshooting in the following method, depending on
malfunction symptom ...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...