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EC-1474
[YD (WITHOUT EURO-OBD)]
TC BOOST CONTROL SOLENOID VALVE
4. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR
OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between ECM terminal 6 and turbocharger boost control solenoid valve terminal
2. Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
5. CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
Refer to EC-1474, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace turbocharger boost control solenoid valve.
6. CHECK INTERMITTENT INCIDENT
Refer to EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Component Inspection EBS0125X
TURBOCHARGER BOOST CONTROL SOLENOID VALVE
1. Disconnect turbocharger boost control solenoid valve harness
connector.
2. Apply 12V direct current between turbocharger boost control
solenoid valve terminals.
3. Check air passage continuity of turbocharger boost control sole-
noid valve under the following conditions.
Operation takes less than 1 second.
If NG, replace turbocharger boost control solenoid valve.
Continuity should exist.
PBIB1897E
CONDITIONS
Air passage continuity
between A and B
Air passage continuity
between A and C
12V direct current supply
between terminals 1 and 2
Yes No
No supply No Yes
MBIB0996E
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