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

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

    See More:

    Toyota Tundra Service Manual > Can Communication System: Check Bus 5 Line for Short to +B
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 15 (CA5H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 16 (CA5L) of the central gateway ECU (network gateway ECU) and termi ...

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