lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2298 > < Component Tests and General Diagnostics|Page 2296
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(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 (Check for Open):

(c) Reinstall the EFI MAIN relay.

NG --  REPAIR OR REPLACE HARNESS OR CONNECTOR (EFI MAIN RELAY - BODY GROUND)

OK --  PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE  See: Computers and Control
Systems/Testing and Inspection/Symptom Related Diagnostic Procedures

7. INSPECT RELAY (IG2 RELAY)

(a) Remove the IG2 relay from the engine room relay block.

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

Standard Resistance:

(c) Reinstall the IG2 relay.

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

8. CHECK HARNESS AND CONNECTOR (IG2 RELAY - ECM)

(a) Remove the IG2 relay from the engine room relay block.

(b) Disconnect the ECM connector.

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

Standard Resistance (Check for Open):

Standard Resistance (Check for Short):

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