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Toyota Corolla Repair Manual: Circuit description

Monitor description

Monitor description

The ecm commands gearshift by turning the shift solenoid valves on/off. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the failsafe and turns the other shift solenoid valves in good condition on/off (in case of an open or short circuit, the ecm stops sending current to the circuit.).

Monitor strategy

Typical enabling condition

Typical enabling condition

Typical malfunction thresholds

Typical malfunction thresholds

Component operating range

Component operating range

Wiring diagram

Wiring diagram

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) ...

Inspection procedure
1 Inspect transmission wire(s2) Disconnect the transmission wire connector from the transaxle.  measure the resistance according to the value(s) in the table below. Standard: ...

Other materials:

Circuit description
A thermistor is built in the engine coolant temperature sensor and changes the resistance value according to the engine coolant temperature. The structure of the sensor and connection to the ecm is the same as those of the intake air temperature sensor. Hint: if the ecm detects the dtc ...

Receiving a phone call
Answering the phone Press the off-hook switch. Refusing a call Press the on-hook switch. Receiving a call when on another call Press the off-hook switch. Pressing the off-hook switch again returns you to the previous call. Adjusting the ringtone volume when receiving a call Change the ringto ...

Inspection
1. Power window system circuit 2. Inspect power window regulator master switch assy Inspect the master switch continuity. [Drivers switch (window unlock and lock)] Standard: [Front passengers switch (window unlock)] standard: [Front passengers switch (window lock)] standa ...

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