3000GT V6-3.0L SOHC (1998)
Using Scan Tool
HARNESS INSPECTION
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 - 49)
Check for open-circuit, or short-circuit to ground between the engine control module and the manifold differential pressure sensor.
-
Manifold differential pressure sensor connector: Disconnected
-
Engine control module connector: Disconnected
OK: GO TO STEP 3
NG: Repair the harness. (A3 - 92)
Measure the impressed voltage to the manifold differential pressure sensor.
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Manifold differential pressure sensor connector: Disconnected
-
Engine control module connector: Connected
-
Ignition switch: ON
Voltage (V): 4.8 - 5.2
OK: STOP
NG: Repair the engine control module.