Home Engine/Hybrid System Starting 3UR-FE STARTING: RELAY
Last Modified: 11-27-2007 1.6 G
Service Category: Engine/Hybrid System Section: Starting
Model Year: 2008 Model: LX570 Doc ID: RM000003BIA004X
Title: 3UR-FE STARTING: RELAY: ON-VEHICLE INSPECTION (2008 LX570)

ON-VEHICLE INSPECTION

1. INSPECT STARTER RELAY (ST)


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied to terminals 1 and 2

10 kΩ or higher

Battery voltage applied to terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the relay.

2. INSPECT STARTER CUT RELAY (ST CUT)


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

3 - 5

Battery voltage not applied to terminals 1 and 2

10 kΩ or higher

Battery voltage applied to terminals 1 and 2

Below 1 Ω

If the result is not as specified, replace the relay.

3. 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

2A-1 - 2D-8

Battery voltage not applied between 2D-45 and 2D-62

10 kΩ or higher

Battery voltage applied between 2D-45 and 2D-62

Below 1 Ω

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