2001 INFINITI QX4 alternator circuit

[x] Cancel search: alternator circuit

Page 655 of 2395

INFINITI QX4 2001  Factory Service Manual SYSTEM Ð ENGINE MECHANICAL & OTHERNBEC0041S02
SYMPTOM
Reference
section
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATI

Page 1351 of 2395

INFINITI QX4 2001  Factory Service Manual Trouble DiagnosesNBEL0082AUDIO UNITNBEL0082S01
Symptom Possible causes Repair order
Audio unit inoperative (no
digital display and no
sound from speakers).1. 10A fuse
2. Poor audio unit case ground
3.

Page 2170 of 2395

INFINITI QX4 2001  Factory Service Manual System DescriptionNBSC0009The alternator provides DC voltage to operate the vehicles electrical system and to keep the battery charged.
The voltage output is controlled by the IC regulator.
Power is

Page 2176 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 1NBSC0020S03Check ªLº Terminal CircuitNBSC0020S0301
1 CHECK ªLº TERMINAL CONNECTION
Check to see if ªLº terminal is clean and tight.
OK or NG
OK©GO TO 2.
NG©Repair ªLº t

Page 2177 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 2=NBSC0020S04Check ªBº Terminal CircuitNBSC0020S0401
1 CHECK ªBº TERMINAL CONNECTION
Check to see if ªBº terminal is clean and tight.
OK or NG
OK©GO TO 2. Confirm repair by

Page 2178 of 2395

INFINITI QX4 2001  Factory Service Manual DIAGNOSTIC PROCEDURE 3=NBSC0020S05Check ªSº Terminal CircuitNBSC0020S0501
1 CHECK ªSº TERMINAL CONNECTION
Check to see if ªSº terminal is clean and tight.
OK or NG
OK©GO TO 2.
NG©Repair ªSº