Montero V6-3.8L SOHC (2005)
1. Disconnect key reminder switch connector D-202.
2. Remove the ignition key hole illumination light bulb. Then measure the resistance value between the bulb terminals.
3. Install a bulb to the key remainder switch, and measure the resistance between connector D-202 terminal 1 and 2.The measured resistance value
should be roughly the same as the value measured in Step (2).
Q: Are these two resistance values extremely different?
YES: Replace the key reminder switch. Verify that the ignition key hole illumination light illuminates normally.
NO (roughly the same) : Go to Step 9.
STEP 9. Check the fusible link (1) line of the power supply circuit to the key reminder switch. Test at key reminder switch connector D-202.
1. Disconnect key reminder switch connector D-202 and measure at the voltage available at the wiring harness side of the connector.
2. Measure the voltage between terminal 2 and ground.
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The voltage should be approximately 12 volts (battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery positive voltage)?
YES: Go to Step 11.
NO: Go to Step 10.
