Battery replace INFINITI QX4 2001 Factory Service Manual

4. 4-3. Cruise testAT-67
AT-71
Part-1
l8. Vehicle Cannot Be Started From D
1, AT-233.
l9. A/T Does Not Shift: D
1,D2Or Does Not Kickdown: D4,D2, AT-236.
l10. A/T Does Not Shift: D
2,D3, AT-239.
l11. A/T Does Not Shift: D
3,D4, AT-242.
l12. A/T Does Not Perform Lock-up, AT-245.
l13. A/T Does Not Hold Lock-up Condition, AT-247.
l14. Lock-up Is Not Released, AT-249.
l15. Engine Speed Does Not Return To Idle (Light Braking D
4,D3), AT-250.
Part-2AT-75
l16. Vehicle Does Not Start From D
1, AT-252.
l9. A/T Does Not Shift: D
1,D2Or Does Not Kickdown: D4,D2, AT-236.
l10. A/T Does Not Shift: D
2,D3, AT-239.
l11. A/T Does Not Shift: D
3,D4, AT-242.
Part-3AT-77
l17. A/T Does Not Shift: D
4,D3When Overdrive Control Switch ªONº,ªOFFº, AT-253
l15. Engine Speed Does Not Return To Idle (Engine Brake In D
3), AT-250.
l18. A/T Does Not Shift: D
3,22, When Selector Lever ªDº,ª2º Position, AT-254.
l15. Engine Speed Does Not Return To Idle (Engine Brake In 2
2), AT-250.
l19. A/T Does Not Shift: 2
2,11, When Selector Lever ª2º,ª1º Position, AT-255.
l20. Vehicle Does Not Decelerate By Engine Brake, AT-256.
lSELF-DIAGNOSTIC PROCEDURE Ð Mark detected items.
lDTC P0705 PNP switch, AT-99.
lDTC P0710 A/T fluid temperature sensor, AT-105.
lDTC P0720 Vehicle speed sensor´A/T (Revolution sensor), AT-111.
lDTC P0725 Engine speed signal, AT-116.
lDTC P0740 Torque converter clutch solenoid valve, AT-148.
lDTC P0745 Line pressure solenoid valve, AT-162.
lDTC P0750 Shift solenoid valve A, AT-168.
lDTC P0755 Shift solenoid valve B, AT-172.
lDTC P1705 Throttle position sensor, AT-176.
lDTC P1760 Overrun clutch solenoid valve, AT-185.
lDTC BATT/FLUID TEMP SEN (A/T fluid temperature sensor and TCM power source), AT-190.
lDTC Vehicle speed sensor´MTR, AT-197.
lDTC Turbine revolution sensor, AT-202.
lDTC A/T communication line, AT-207.
lDTC Control unit (RAM), control unit (ROM), AT-211.
lDTC Control unit (EEP ROM), AT-213.
lPNP, overdrive control and throttle position switches, AT-257.
lBattery
lOthers
5.lFor self-diagnosis NG items, inspect each component. Repair or replace the damaged parts. AT-38
6.lPerform all ROAD TEST and re-mark required procedures. AT-63
7.lPerform DTC CONFIRMATION PROCEDURE for following MIL indicating items and check out NG items.
Refer to EC-60, ªEmission-related Diagnostic Informationº.EC-60
lDTC (P0731, 1103) A/T 1st gear function, AT-120.
lDTC (P0732, 1104) A/T 2nd gear function, AT-126.
lDTC (P0733, 1105) A/T 3rd gear function, AT-132.
lDTC (P0734, 1106) A/T 4th gear function, AT-138.
lDTC (P0744, 1107) A/T TCC S/V function (lock-up), AT-153.
8.lPerform the Diagnostic Procedures for all remaining items marked NG. Repair or replace the damaged
parts.
Refer to the Symptom Chart when you perform the procedures. (The chart also shows some other possible
symptoms and the component inspection orders.)AT-92
AT-97
9.lErase DTC from TCM and ECM memories. AT-35
TROUBLE DIAGNOSIS Ð INTRODUCTION
Introduction (Cont'd)
AT-56

5 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair or replace damaged parts.
SAT160J
Component InspectionNBAT0053TORQUE CONVERTER CLUTCH SOLENOID VALVENBAT0053S01IFor removal, refer to AT-273.
Resistance CheckNBAT0053S0101ICheck resistance between terminal 7 and ground.
Solenoid valve Terminal No. Resistance (Approx.)
Torque converter clutch
solenoid valve7 Ground 10 - 20W
SAT161J
Operation CheckNBAT0053S0102ICheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 7 and ground.
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
Diagnostic Procedure (Cont'd)
AT-152

7 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair or replace damaged parts.
SAT657I
Component InspectionNBAT0059LINE PRESSURE SOLENOID VALVENBAT0059S01IFor removal, refer to AT-273.
Resistance CheckNBAT0059S0101ICheck resistance between terminal 6 and ground.
Solenoid valve Terminal No. Resistance (Approx.)
Line pressure solenoid valve 6 Ground 2.5 - 5W
SAT658I
Operation CheckNBAT0059S0102ICheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 6 and ground.
SAT848BD
DROPPING RESISTORNBAT0059S02ICheck resistance between two terminals.
Resistance: 11.2 - 12.8W
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0745 LINE PRESSURE SOLENOID VALVE
Diagnostic Procedure (Cont'd)
AT-167

5 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair or replace damaged parts.
SAT654I
Component InspectionNBAT0062SHIFT SOLENOID VALVE ANBAT0062S01IFor removal, refer to AT-273.
Resistance CheckNBAT0062S0101ICheck resistance between terminal 3 and ground.
Solenoid valve Terminal No. Resistance (Approx.)
Shift solenoid valve A 3 Ground 20 - 40W
SAT653I
Operation CheckNBAT0062S0102ICheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 3 and ground.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0750 SHIFT SOLENOID VALVE A
Diagnostic Procedure (Cont'd)
AT-171

5 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair or replace damaged parts.
SAT651I
Component InspectionNBAT0065SHIFT SOLENOID VALVE BNBAT0065S01IFor removal, refer to AT-273.
Resistance CheckNBAT0065S0101ICheck resistance between terminal 2 and ground.
Solenoid valve Terminal No. Resistance (Approx.)
Shift solenoid valve B 2 Ground 20 - 40W
SAT650I
Operation CheckNBAT0065S0102ICheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 2 and ground.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0755 SHIFT SOLENOID VALVE B
Diagnostic Procedure (Cont'd)
AT-175

5 CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK©INSPECTION END
NG©Repair or replace damaged parts.
SAT139K
Component InspectionNBAT0070OVERRUN CLUTCH SOLENOID VALVENBAT0070S01IFor removal, refer to AT-273.
Resistance CheckNBAT0070S0101ICheck resistance between terminal 4 and ground.
Solenoid valve Terminal No. Resistance (Approx.)
Overrun clutch solenoid valve 4 Ground 20 - 40W
SAT688I
Operation CheckNBAT0070S0102ICheck solenoid valve by listening for its operating sound while
applying battery voltage to the terminal 4 and ground.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1760 OVERRUN CLUTCH SOLENOID VALVE
Diagnostic Procedure (Cont'd)
AT-189

Diagnostic ProcedureNBAT0072
1 CHECK INPUT SIGNAL.
With CONSULT-II
1. Start engine.
2. Select ªTCM INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out the value of ªVHCL/S SE´MTRº while driving.
Check the value changes according to driving speed.
SAT614J
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 40 and ground while driving at 2 to 3 km/h (1 to 2 MPH) for1m(3ft)ormore.
SAT528J
Does battery voltage vary between less than 1V and more than 4.5V?
Ye s©GO TO 3.
No©GO TO 2.
2 DETECT MALFUNCTIONING ITEM
Check the following items:
IVehicle speed sensor and ground circuit for vehicle speed sensor
Refer to EL-94, ªComponent Parts and Harness Connector Locationº.
IHarness for short or open between TCM and vehicle speed sensor (Main harness)
OK or NG
OK©GO TO 3.
NG©Repair or replace damaged parts.
3 CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-197.
OK or NG
OK©INSPECTION END
NG©GO TO 4.
DTC VEHICLE SPEED SENSOR´MTR
Diagnostic Procedure
AT-200

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 MAIN.
Continuity should exist.
If OK, check harness for short to ground and short to power.
OK or NG
OK©GO TO 5.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
5 CHECK LAMP CIRCUIT
1. Turn ignition switch to ªONº position.
2. Set overdrive control switch to ªONº position.
3. Check voltage between TCM terminals 13 and ground.
SAT529J
Does battery voltage exist?
Ye s©GO TO 7.
No©GO TO 6.
6 CHECK MALFUNCTIONING ITEM
Check the following items:
IFuse
IO/D OFF indicator lamp
IHarness for short or open between ignition switch and O/D OFF indicator lamp (Main harness)
IRefer to EL-9, ªSchematicº.
IHarness for short or open between O/D OFF indicator lamp and TCM
OK or NG
OK©GO TO 7.
NG©Repair or replace damaged parts.
7 CHECK SYMPTOM
Check again.
OK or NG
OK©INSPECTION END
NG©GO TO 8.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
1. O/D OFF Indicator Lamp Does Not Come On (Cont'd)
AT-219

3 CHECK PNP SWITCH CIRCUIT (Without CONSULT-II)
Without CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Check voltage between TCM terminals 26, 27, 34, 35, 36 and ground while moving selector lever through each posi-
tion.
MTBL0205
SAT517J
Does battery voltage exist (B) or non-existent (0)?
Ye s©GO TO 5.
No©GO TO 4.
4 DETECT MALFUNCTIONING ITEM
Check the following items:
IPNP switch
Refer to ªComponent Inspectionº, AT-263.
IHarness for short or open between ignition switch and PNP switch (Main harness)
IHarness for short or open between PNP switch and TCM (Main harness)
OK or NG
OK©GO TO 5.
NG©Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-259

5 CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Select ªTCM INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out ªOVERDRIVE SWITCHº. Check the signal of the overdrive control switch is indicated properly.
(Overdrive control switch ªONº displayed on CONSULT-II means overdrive ªOFFº.)
SAT645J
Without CONSULT-II
1. Turn ignition switch to ªONº position.
(Do not start engine.)
2. Check voltage between TCM terminal 22 and ground when overdrive control switch is ªONº and ªOFFº.
Voltage:
Switch position ªONº:
Battery voltage
Switch position ªOFFº:
1V or less
SAT531J
OK or NG
OK (With CONSULT-II)©GO TO 7.
OK (Without CONSULT-
II)©GO TO 9.
NG©GO TO 6.
6 DETECT MALFUNCTIONING ITEM
Check the following items:
IOverdrive control switch
Refer to ªComponent Inspectionº, AT-263.
IHarness for short or open between TCM and overdrive control switch (Main harness)
IHarness for short or open of ground circuit for overdrive control switch (Main harness)
OK or NG
OK (With CONSULT-II)©GO TO 7.
OK (Without CONSULT-
II)©GO TO 9.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks) (Cont'd)
AT-260