Montero 4WD V6-3.5L SOHC (1998)
HARNESS INSPECTION:
STEP 1. Measure the ignition switch-IG terminal input voltage
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Engine control module connector: Disconnected Voltage (V):
0 - 1 (Ignition switch: OFF)
Battery positive voltage (Ignition switch: ON)
OK: GO TO STEP 2
NG: Repair the harness. (99 - Ignition switch or inspect the ignition switch.)
STEP 2. Measure the power supply voltage of the MFI relay.
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Ignition switch: OFF
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MFI relay connector: Disconnected
Voltage (V): Battery positive voltage
OK: GO TO STEP 3
NG: Repair the harness. (A3 - Battery, A4 - Battery)
STEP 3. Check for an open circuit or a short-circuit to ground between the MFI relay and the engine control module.
-
Engine control module connector: Disconnected
-
MFI relay connector: Disconnected
OK: GO TO STEP 4
NG: Repair the harness. (A2 - 57)
STEP 4. Check for an open circuit or a short-circuit to ground between the MFI relay and the engine control module.
-
MFI relay connector: Disconnected
-
Engine control module connector: Disconnected
OK: GO TO STEP 5
NG: Repair the harnesses. (A1 - 59, A1 - 47)