toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 1973 > < Initial Inspection and Diagnostic Overview|Page 1971
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Terminals Of ECU

5. THEFT WARNING COMPUTER ASSEMBLY

a. Check the theft warning ECU.

1. Disconnect the theft warning ECU connector.
2. Check the voltage and continuity of each terminal of the vehicle's side connectors.

Terminals Of ECU (E9 - E5)

6. ENGINE CONTROL COMPUTER

a. Inspect the ECM operation.

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

NOTE:
- Inspection should be started from the back side of the connector with the computer connector being connected.
- Before the measurement, check the power source voltage (10 - 14 V when IG ON) and body ground (5 ohm or less between each ground

terminal and the engine body, when IG OFF).

Initial Inspection and Diagnostic Overview|Page 1973 > < Initial Inspection and Diagnostic Overview|Page 1971