Toyota Corolla Repair Manual: Inspection procedure
1 Inspect shift solenoid valve(s2)
- Remove the shift solenoid valve s2.
- measure the resistance according to the value(s) in the table below.
Standard:
- Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid body for checking the solenoid valve operation.
Standard: the solenoid makes an operating noise.
2 Inspect transmission valve body assy(see chapter 2 in the problem symptoms table) (
Repair or replace automatic transaxle assy
System description
The ecm uses signals from the vehicle speed sensor and crankshaft position
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the s ...
Shift solenoid ”a” control circuit
low/high
Dtc p0973 shift solenoid ”a” control circuit
low (shift solenoid valve s1)
Dtc p0974 shift solenoid ”a” control circuit
high (shift solenoid valve s1) ...
Other materials:
Manual transmission/transaxle
Preparation
Sst
Equipment
Lubricant
...
Data list/active test
1. Data list
Hint:
according to the data list displayed by the obd ii scan tool or hand–held
tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the
data list as the first step of
troubleshooting is one method to shorten labor time.
War ...
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 ...