Toyota Tundra Service Manual: 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

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.

    Acc Cut Relay

    Ignition Switch

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