Montero SR 4WD V6-3.5L SOHC (1997)
Manifold Pressure/Vacuum Sensor: Testing and Inspection
INSPECTION
Using Scan Tool
HARNESS INSPECTION
STEP 1. Check for continuity of the ground circuit.
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Manifold 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 differential pressure sensor
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Manifold differential pressure sensor connector: Disconnected
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Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A1 - 74)
STEP 3. Measure the sensor feed voltage to the manifold differential pressure sensor.
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Manifold differential pressure sensor connector: Disconnected
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Engine control module connector: Connected
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Ignition switch: ON
Voltage: 4.8 - 5.2 V
OK: STOP
NG: Replace the engine control module.