LS 460 AWD V8-4.6L (1UR-FSE) (2009)
(a) Turn the engine switch on (IG).
(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 (ECU-IG)
(a) Remove the ECU-IG fuse from the engine room No. 2 junction block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- CHECK FOR SHORT IN ALL HARNESSES AND CONNECTORS CONNECTED TO FUSE AND REPLACE FUSE
OK -- Continue to next step.
5. INSPECT IGNITION RELAY NO. 2 (IG2)
(a) Remove the IG2 relay from the engine room No. 2 junction block.