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EC-1790
[YD (WITHOUT EURO-OBD)]
PNP SWITCH
2. CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect park/neutral position (PNP) switch harness connec-
tor.
3. Check harness continuity between PNP switch terminal 2 and
ground.
Refer to Wiring Diagram.
4. Also check harness for short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to power in harness or con-
nectors.
3. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ECM terminal 110 and PNP switch terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. DETECT MALFUNCTIONING PART
Check the following.
● Harness connectors M63, F30
● Harness for open or short between PNP switch and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK PARK/NEUTRAL POSITION SWITCH
Refer to MT-15, "
POSITION SWITCH" .
OK or NG
OK >> GO TO 6.
NG >> Replace park/neutral position switch.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1520, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Continuity should exist.
MBIB1088E
Continuity should exist.
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