2001 INFINITI QX4 Factory Service Manual

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Page 1465 of 2395

INFINITI QX4 2001 Factory Service Manual 3 CHECK GROUND CIRCUIT FOR CONTROL UNIT Check continuity between terminal 16 and ground. SEL322X Refer to wiring diagram in EL-274. OK or NG OK©Power supply and ground circuits are OK. NG©Check grou

Page 1466 of 2395

INFINITI QX4 2001 Factory Service Manual DOOR SWITCH CHECK=NBEL0115S05 1 CHECK DOOR SWITCH INPUT SIGNAL Check voltage between smart entrance control unit terminals 28, 29 or 40 and ground. SEL305X Refer to wiring diagram in EL-275. OK or NG

Page 1467 of 2395

INFINITI QX4 2001 Factory Service Manual KEY SWITCH (INSERT) CHECK=NBEL0115S07 1 CHECK KEY SWITCH INPUT SIGNAL Check voltage between smart entrance control unit terminal 32 and ground. SEL307X Refer to wiring diagram in EL-274. OK or NG OK©

Page 1468 of 2395

INFINITI QX4 2001 Factory Service Manual DOOR LOCK/UNLOCK SWITCH LH CHECK=NBEL0115S10 1 CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL 1. Disconnect smart entrance control unit connector. 2. Check continuity between control unit terminal 23 or 3

Page 1469 of 2395

INFINITI QX4 2001 Factory Service Manual FRONT LH DOOR UNLOCK SENSOR CHECK=NBEL0115S06 1 CHECK FRONT LH DOOR UNLOCK SENSOR INPUT SIGNAL Check voltage between smart entrance control unit terminal 36 and ground. SEL323X Refer to wiring diagram

Page 1470 of 2395

INFINITI QX4 2001 Factory Service Manual HAZARD REMINDER CHECK=NBEL0115S08 1 CHECK HAZARD INDICATOR Check if hazard indicator flashes with hazard switch. Does hazard indicator operate? Ye s©GO TO 2. No©Check ªhazard indicatorº circuit. 2

Page 1471 of 2395

INFINITI QX4 2001 Factory Service Manual 4 CHECK POWER SUPPLY FOR MULTI-REMOTE CONTROL RELAY 1. Disconnect multi-remote control relay connector. 2. Check voltage between terminal 1 and ground. SEL326X OK or NG OK©GO TO 5. NG©Check the foll

Page 1472 of 2395

INFINITI QX4 2001 Factory Service Manual HORN REMINDER CHECK=NBEL0115S11 1 CHECK HORN Check if horn sounds with horn switch. Does horn operate? Ye s©GO TO 2. No©Check horn circuit. 2 CHECK HORN REMINDER OPERATION 1. Disconnect smart entran
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