toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2083 > < Initial Inspection and Diagnostic Overview|Page 2081
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1. Disconnect the connector.

Terminals Of ECU/pinouts

2. Check the voltage or continuity of each terminal of the vehicle's side connector.

6. ECM

Inspect the ECM operation.

Terminals Of ECU/pinouts

Check the voltage or continuity of each terminal of the vehicle's side connectors.

NOTE:
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The Inspection should be started from the back side of the connector with the ECM connector being connected.

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Before the measurement, check the power source voltage (10 - 14 V when IG ON) and body ground (5 ohms or less between each ground
terminal and the engine body, when IG OFF).

Initial Inspection and Diagnostic Overview|Page 2083 > < Initial Inspection and Diagnostic Overview|Page 2081