lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

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(c) Reconnect the ECM connector.

NG --  REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - BODY GROUND)
OK -- Continue to next step.

2. INSPECT ECM (IGSW VOLTAGE)

(a) Disconnect the ECM connector.

(b) Turn the engine switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

(d) Reconnect the ECM connector.

NG --  INSPECT RELAY (IG2 RELAY)
OK -- Continue to next step.

3. INSPECT RELAY (EFI MAIN RELAY)

(a) Remove the EFI MAIN relay from the engine room relay block.

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

Standard Resistance:

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