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Toyota Corolla Repair Manual: Circuit description

The microphone of the grass breakage sensor is built in the security indicator. When this microphone senses breakage of grass, the grass breakage sensor ecu sends the signal of this breakage to the tvip ecu.

Wiring diagram

Inspection procedure

Glass breakage sensor circuit
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Inspection procedure
1 Check security indicator light Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered. 2 Check glass breakage sensor ecu (glass breakage ...

Other materials:

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission cont ...

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 lockup relay valve, which then the controls operation of the lockup clutch. Fail safe function: if the ecm detects a malfunction, it turns the shift solen ...

Inspection procedure
1 Inspect transmission wire(s1) Disconnect the transmission wire connector from the transaxle.  measure the resistance according to the value(s) in the table below. Standard: 2 Check harness and connector(transmission wire ecm) Connect the transmission connecto ...

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