2001 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2001  Factory Service Manual Diagnostic Procedure=NBAT0208
1 CHECK DTC
With CONSULT-II
1. Turn ignition switch ªONº and select ªSELF DIAG RESULTSº mode for A/T with CONSULT-II.
2. Touch ªERASEº.
PERFORM DIAGNOSTIC TROUBLE C

Page 218 of 2395

INFINITI QX4 2001  Factory Service Manual SAT574J
DescriptionNBAT0215The TCM consists of a microcomputer and connectors for signal
input and output and for power supply. The unit controls the A/T.
ON BOARD DIAGNOSIS LOGICNBAT0215S01
Diagnosti

Page 219 of 2395

INFINITI QX4 2001  Factory Service Manual Diagnostic Procedure=NBAT0216
1 CHECK DTC
With CONSULT-II
1. Turn ignition switch ªONº and select ªSELF DIAG RESULTSº mode for A/T with CONSULT-II.
2. Move selector lever to ªRº position.
3. Dep

Page 220 of 2395

INFINITI QX4 2001  Factory Service Manual Wiring Diagram Ð AT Ð NONDTCNBAT0203
MAT059B
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram Ð AT Ð NONDTC
AT-215

Page 221 of 2395

INFINITI QX4 2001  Factory Service Manual MAT919A
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram Ð AT Ð NONDTC (Contd)
AT-216

Page 222 of 2395

INFINITI QX4 2001  Factory Service Manual MAT920A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Wiring Diagram Ð AT Ð NONDTC (Contd)
AT-217

Page 223 of 2395

INFINITI QX4 2001  Factory Service Manual 1. O/D OFF Indicator Lamp Does Not Come OnNBAT0073SYMPTOM:
O/D OFF indicator lamp does not come on for about 2 seconds
when turning ignition switch to ªONº.
1 CHECK TCM POWER SOURCE STEP 1
1. Turn i

Page 224 of 2395

INFINITI QX4 2001  Factory Service Manual 4 CHECK TCM GROUND CIRCUIT
1. Turn ignition switch to OFF position.
2. Disconnect TCM harness connector.
3. Check continuity between TCM terminals 25, 48 and ground. Refer to wiring diagram Ð AT Ð M