Montero LS 4WD V6-2972cc 3.0L SOHC 24 Valve (1996)
Using a Scan Tool
HARNESS INSPECTION
STEP 1. Check for continuity of the ground circuit
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Fuel lank differential pressure sensor connector: Disconnected
OK: GO TO STEP 2
NG: Repair the harness (A2 - 92)
STEP 2. Check for open-circuit, or short-circuit to ground between the engine control module and the manifold absolute pressure sensor.
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Fuel tank differential pressure sensor connector: Disconnected
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Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness (A1 - 77)
STEP 3. Measure the sensor impressed voltage to the manifold absolute pressure sensor.
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Fuel tank differential pressure sensor connector: Disconnected
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Engine control module connector: Connected
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Ignition switch: ON
Voltage (V): 4.8 - 5.2 V
OK: STOP
NG: Replace the engine control module.