Toyota Corolla (E120): 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)

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Inspection procedure
1 Inspect terminal voltage(od – body ground) Disconnect the cruise control ecu connector.  turn the ignition switch to the on position.  measure the voltage between terminal od of cruise control ecu and body ground. Standard: 2 Inspect terminal voltage(od1 – bod ...

Fuel system
Precaution 1. Before working on fuel system, disconnect negative (–) terminal cable from battery 2. Do not smoke or work near an open flame when working on fuel system 3. Keep gasoline away from rubber or leather parts 4. Work for prevent gasoline from spilling out Remove the rear s ...

Sound quality is bad in all modes (volume is too low)
Wiring diagram Inspection procedure 1 Adjust sound quality Adjust the sound quality.  Operate the radio receiver assy to adjust the sound quality. Standard: malfunction disappear. 2 Compare it with another car of same model Compare it with another vehicle of the same mo ...