Toyota Corolla (E120): Shift solenoid ”b” control circuit low/high

Dtc p0976 shift solenoid ”b” control circuit low (shift solenoid valve s2)

Dtc p0977 shift solenoid ”b” control circuit high (shift solenoid valve s2)

Share this page:

Other materials:

Circuit description
The shift solenoid valve sl is turned ”on” and ”off” by signals from the ecm in order to control the hydraulic pressure operation, the lock–up relay valve, which then the controls operation of the lock–up clutch. Fail safe function: if the ecm detects a malfunction, it turns the ...

Replacement
Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove horn button assy Place the front wheels facing straight ahead.  using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw ca ...

Malfunction in tachometer
Wiring diagram Inspection procedure Check output value of ecm.  Connect the hand–held tester to dlc3. Turn the ignition switch to on and push the hand–held tester main switch on.  Select the data list mode on the hand–held tester. 2 Inspect combinatio ...