Montero V6-3.8L SOHC (2005)
STEP 13. Check the back door switch.
Remove the back door switch. Then check continuity between the switch terminals and the switch body.
Q: Is the back door switch in good condition?
YES: Go to Step 14.
NO: Replace the back door switch. If the functions, which are described in "CIRCUIT OPERATION", work normally, the input signal from the back
door switch should be normal.
STEP 14. Measure at the lower metal part of the back door switch in order to check the ground circuit to the back door switch.
NOTE: Check that the back door switch is grounded to the vehicle body by means of its mounting screw.
Remove the cap, and measure the resistance value between the lower metal part and the ground.
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The resistance should equal 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES: Go to Step 15.
NO: Check the fit of the switch, and repair if necessary. If the functions, which are described in "CIRCUIT OPERATION", work normally, the input
signal from the back door switch should be normal.
STEP 15. Check ETACS-ECU connector D-222 for loose, corroded or damaged terminals, or terminals pushed back in the connector.
Q: Is ETACS-ECU connector D-222 in good condition?
YES: Go to Step 16.
NO: Repair or replace the damaged component(s). Refer to Harness Connector Inspection. If the functions, which are described in "CIRCUIT
OPERATION", work normally, the input signal from the back door switch should be normal.
