toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Relays and Modules - Restraint Systems > < Main Relay (Computer/Fuel System)|Locations|Page 431
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Main Relay (Computer/Fuel System): Testing and Inspection

E.F.I. CIRCUIT OPENING RELAY ASSY [85910A / 98-168]
E.F.I ECU RELAY [85910F / 98-168]
AIR FUEL RATIO SENSOR HEATER RELAY [85915S / 98-168]

Continuity inspection.
Using an ohmmeter, check that continuity exists between each terminal.

Specified condition:
Between terminal 1 and 2 Continuity
Between terminal 3 and 5 No continuity

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

Relays and Modules - Restraint Systems > < Main Relay (Computer/Fuel System)|Locations|Page 431