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Toyota Corolla Repair Manual: Monitor description

The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other data. If the battery voltage falls below a minimum level, the ecm will conclude that there is a fault in the power supply circuit. At the next engine start, the ecm will turn on the mil and a dtc will be set.

Monitor strategy

Monitor strategy

*1: The dtc is set immediately. The mil will be illuminated after the next

*1: The dtc is set immediately. The mil will be illuminated after the next engine start.

Typical enabling conditions

Typical malfunction thresholds

Typical malfunction thresholds

Wiring diagram

Wiring diagram

Inspection procedure

System voltage
Dtc p0560 system voltage ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is usefu ...

Other materials:

Power steering
Preparation Sst Recomended tools Equipment Lubricant Ssm ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Inspection procedure
1 Check front airbag sensor (rh) circuit (to b+)(airbag sensor assy center Ц airbag front rh sensor) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag front rh sensor and the airbag sensor ...

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