Immobilizer Indicator Light Does Not Come ON with Ignition Switch ON and Engine Stop: Troubleshooting

Step	Action	Yes	No
1	Immobilizer indicator light power supply check Turn ignition switch to ON position. Do other warning lights come ON?	Go to Step 2.	Go to Step 3.
2	Diagnostic Trouble Code (DTC) check Check if DTC U0073, U0101, U0121, U0140 and/or U0155 are detected by ECM referring to DTC CHECK . Is any of them detected?	Perform the troubleshooting referring to the corresponding flowchart in Section 1A.	Replace combination meter with a known-good one and recheck. If the immobilizer indicator light still remains OFF, replace ECM with a known-good one and recheck.
3	Fuse check Turn ignition switch to OFF position. Check if any related fuse is blown. Is any fuse blown?	Replace blown fuse, and then check for short.	Go to Step 4.
4	Combination meter power supply wire circuit check Remove combination meter referring to COMBINATION METER REMOVAL AND INSTALLATION . Check for proper connection at "G28-1" and "G28-3" wire terminals of combination meter connector. If OK, turn ignition switch to ON position and measure voltage between "G28-1" wire terminal of combination meter and vehicle body ground. Is it 10 - 14 V?	Go to Step 5.	Repair open in power supply wire circuit.
5	Combination meter ground wire circuit check Turn ignition switch OFF position. Measure resistance between "G28-3" terminal of combination meter connector and vehicle body ground. Is resistance 1 Ω or less?	Replace combination meter with a know-good one and recheck. If the immobilizer indicator light still remains OFF, replace ECM with a known-good one and recheck.	Repair open or high resistance in ground wire circuit.