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Toyota Workshop Service and Repair Manuals

Oxygen Sensor Relay > < Main Relay (Computer/Fuel System)|Locations|Page 2175
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Main Relay (Computer/Fuel System): Testing and Inspection

INSPECTION

1. REMOVE EFI MAIN RELAY

2. INSPECT EFI MAIN RELAY

a. Using an  ohmmeter, check for continuity between each terminal.

b. Using an ohmmeter, check for continuity between terminals 3 and 5 when the battery voltage is applied across terminals 1 and 2.

Specified condition: Continuity

3. INSTALL EFI MAIN RELAY

Oxygen Sensor Relay > < Main Relay (Computer/Fuel System)|Locations|Page 2175