Name: Toyota 3VZ–FE
Brand: Toyota
Rating: 5 (1 reviews)

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INSPECTION PROCEDURE

Check voltage between terminal HT of ECM connector and body ground.

1. Remove glove compartment. (See page BO–111).

2. Turn ignition switch on.

Measure voltage between terminal HT of ECM connec-

tor and body ground.

Voltage: 10 – 14 V

Go to step .

Check sub–oxygen sensor heater.

Disconnect sub–oxygen sensor connector.

Measure resistance between terminals 1 and 2 of sub–

oxygen sensor connector.

Resistance: 11.7 – 14.3  20C (68F)

Replace sub–oxygen sensor.

Check for open and short in harness and connector between SFI main relay and ECM (See page

IN–27).

Repair or replace harness or connector.

Check and replace ECM.

–ENGINE TROUBLESHOOTING CIRCUIT INSPECTION

EG–385

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Toyota 3VZ–FE Specifications

General