User Manual - Page 1042

For X-TRAIL.

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EC-1042
[YD (WITH EURO-OBD)]
DTC P0237, P0238 TC BOOST SENSOR
2. CHECK TURBOCHARGER BOOST SENSOR POWER SUPPLY CIRCUIT
1. Disconnect turbocharge boost sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between turbocharge boost sensor terminal 1
and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
3. CHECK TURBOCHAGER BOOST SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between turbocharger boost sensor terminal 3 and ECM terminal 71.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK TURBOCHAGER BOOST SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between ECM terminals 52 and turbocharger boost sensor terminal 2. Refer to
Wiring Diagram.
2. 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 connectors.
5. CHECK TURBOCHARGER BOOST SENSOR
Refer to EC-1043, "
Component Inspection" .
OK or NG
OK >> GO TO 6.
NG >> Replace turbocharger boost sensor.
PBIB1898E
Voltage: Approximately 5.3V
MBIB0072E
Continuity should exist.
Continuity should exist.
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