User Manual - Page 334

For 2002 NISSAN MAXIMA.

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2 CHECK CKP SENSOR (POS) POWER SUPPLY CIRCUIT
1. Disconnect harness connectors F25, F171.
SEF511WB
2. Turn ignition switch “ON”.
3. Check voltage between harness connector F25 terminal 4 and ground with CONSULT-II or tester.
SEF323X
4. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 4.
NG © GO TO 3.
3 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors F25, F171 and E15, F18
I Harness for open or short between ECM and harness connector F25
I Harness for open or short between ECM relay and harness connector F25
© Repair open circuit or short to ground or short to power in harness or connectors.
4 CHECK CKP SENSOR (POS) GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Check harness continuity between harness connector F25 terminal 2 and engine ground. Refer to Wiring Diagram.
Continuity should exist.
3. Also check harness for short to power.
OK or NG
OK © GO TO 6.
NG © GO TO 5.
5 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors F25, F171
I Harness for open between harness connector F25 and ground
© Repair open circuit or short to power in harness or connectors.
DTC P0335 CKP SENSOR (POS)
Diagnostic Procedure (Cont’d)
EC-334
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