Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Electronic controlled automatic transaxle / Manual shifting test
Toyota Corolla (E120): Manual shifting test
1. Perform manual shifting test
Hint
: by this test, it can be determined whether the trouble is within the electrical circuit or is a mechanical problem in the transaxle.

- Disconnect the transmission wire connector.
- inspect the manual driving operation.
Check that the shift and gear positions correspond to the table below.
While driving, shift through the l, 2 and d positions.
Check that the gear change corresponds to the shift position.

Hint
: if the gear positions of the l, 2 and d are difficult to distinguish, do the following road test.
If any abnormality is found in the above test, the problem is in the transaxle itself.
- Connect the transmission wire connector.
- clear the dtc
Other materials:
Overhaul
1. Remove control shift lever bush
Remove the control shift lever bush from the selecting
bellcrank assy.
2. Remove selecting bellcrank dust cover no.1
Remove the selecting bellcrank dust cover no.1 From the
selecting bellcrank assy.
3. Remove selecting bell crank no.2
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Engine mechanical
Preparation
Sst
Recomended tools
Ssm
Equipment
Exhaust
Preparation
Equipment
...
Circuit description
The rotary solenoid type idle air control (iac) valve is located
under the throttle body and intake air bypassing the throttle
valve flows into the iac valve through the passage.
In this way the intake air volume bypassing the throttle valve is
regulated, controls the engine speed.
The ...


