IS 250C V6-2.5L (4GR-FSE) (2011)
NG -- INSPECT RELAY (IG2 RELAY)
OK -- Continue to next step.
4. INSPECT ECM (MREL VOLTAGE)
(a) Turn the engine switch on (IG).
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
NG -- REPLACE ECM See: Service and Repair/Removal
OK -- Continue to next step.
5. INSPECT INTEGRATION RELAY (EFI MAIN RELAY)
(a) Inspect the integration relay See: Main Relay (Computer/Fuel System)/Testing and Inspection/Integration Relay.
NG -- REPLACE INTEGRATION RELAY See: Main Relay (Computer/Fuel System)/Service and Repair/Removal
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (EFI MAIN RELAY - ECM AND BODY GROUND)
(a) Check the harness and the connectors between the integration relay and the ECM.
(1) Remove the integration relay from the engine room relay block No. 2.
(2) Disconnect the ECM connector.
(3) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):