2001 INFINITI QX4 Factory Service Manual

Page 1777 of 2395

INFINITI QX4 2001  Factory Service Manual SGI854
CONTROL UNIT CIRCUIT TESTNBGI0004S0307System Description: When the switch is ON, the control unit lights
up the lamp.
MGI034A
Input-output voltage chart
Pin No. Item ConditionVoltage
value [V]I

Page 1778 of 2395

INFINITI QX4 2001  Factory Service Manual MGI035A
Input-output voltage chart
Pin No. Item ConditionVoltage
value [V]In case of high resistance such as single strand [V]
*
1 Lamp Switch ON Approx. 0 Battery voltage (Inoperative lamp)
Switch OF

Page 1779 of 2395

INFINITI QX4 2001  Factory Service Manual NBGI0005
NOTICE:
Trouble diagnoses indicates work procedures required to diagnose
problems effectively. Observe the following instructions before
diagnosing.
1)Before performing trouble diagnoses, rea

Page 1780 of 2395

INFINITI QX4 2001  Factory Service Manual How to Follow Test Groups in Trouble
Diagnosis
NBGI0005S01
SGI138A
1)Work and diagnostic procedure
Start to diagnose a problem using procedures indicated in
enclosed test groups.
2)Questions and requi

Page 1781 of 2395

INFINITI QX4 2001  Factory Service Manual Key to Symbols Signifying Measurements or
Procedures
NBGI0005S02
Symbol Symbol explanation Symbol Symbol explanation
Check after disconnecting the con-
nector to be measured.Procedure with Generic Sca

Page 1782 of 2395

INFINITI QX4 2001  Factory Service Manual Symbol Symbol explanation Symbol Symbol explanation
Check after engine is warmed up
sufficiently.Pin terminal check for SMJ type
ECM and TCM connectors.
For details regarding the terminal
arrangement,

Page 1783 of 2395

INFINITI QX4 2001  Factory Service Manual NBGI0006
Function and System ApplicationNBGI0006S01
Diagnostic
test modeFunction ENGINEALL-
MODE
4WDA/T ABSAIR
BAGIVCS*1IVIS
(NATS)*2SMART
EN-
TRANCE
Work sup-
portThis mode enables a
technician to ad

Page 1784 of 2395

INFINITI QX4 2001  Factory Service Manual Diagnostic
test modeFunction ENGINEALL-
MODE
4WDA/T ABSAIR
BAGIVCS*1IVIS
(NATS)*2SMART
EN-
TRANCE
Registered
dataDisplay the VIN, etc. data
registered in the IVCS
unit.ÐÐÐÐÐ x ÐÐ
Configura-
tio