Toyota Tundra Service Manual: Acc Relay

Toyota Tundra Service Manual / Engine, Hybrid System / 1ur-fe Starting / Acc Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT MAIN BODY ECU (ACC RELAY)

(a) Measure the resistance of the ACC relay circuit.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
DD-47 - DD-8	When battery voltage is not applied between DD-45 and DD-62	10 kΩ or higher
DD-47 - DD-8	When battery voltage is applied between DD-45 and DD-62	Below 1 Ω

If the result is not as specified, replace the main body ECU.

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