FJ Cruiser 2WD V6-4.0L (1GR-FE) (2008)
(a) Disconnect the B3 ECM connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for open):
(c) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT ECM (IGSW VOLTAGE)
(a) Turn the ignition switch ON.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
OK -- INSPECT ECM (MREL VOLTAGE)
NG -- Continue to next step.
4. CHECK FUSE (IGN FUSE)
(a) Remove the IGN fuse from the driver side junction block.
(b) Check the IGN fuse resistance.
Standard Resistance:
Below 1 Ohms
(c) Reinstall the IGN fuse.
NG -- CHECK FOR SHORT IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.
5. INSPECT IGNITION SWITCH ASSEMBLY