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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:

Inspection procedure
1 Inspect shift solenoid valve(s1) Remove the shift solenoid valve s1. 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 b ...

Registering a Bluetooth phone for the first time
To use the hands-free system, it is necessary to register a Bluetooth phone with the system. Once the phone has been registered, it is possible to use the hands-free system. For details about registering a Bluetooth device 1 Turn the Bluetooth connection setting of your cellular phone on. 2 ...

Inspection procedure
1 Check connector Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  check the connection of the combination meter connector and the airbag sensor assy center connectors. Ok: the connectors are connected. 2 Check combination me ...

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