Infiniti QX56 (JA60). Manual — part 935
TM-42
< COMPONENT DIAGNOSIS >
P0615 STARTER RELAY
1. Turn ignition switch “ON”. (Do not start engine.)
2. Check voltage between the IPDM E/R connector and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN A/T ASSEMBLY HARNESS CONNECTOR AND IPDM E/R CONECTOR.
1. Turn ignition switch OFF.
2. Disconnect A/T assembly harness connector and IPDM E/R
connector.
3. Check continuity between A/T assembly harness connector and
IPDM E/R connector.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK
>> GO TO 3.
NG
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK TERMINAL CORD ASSEMBLY
1. Remove control valve with TCM. Refer to
TM-172, "Control Valve with TCM and A/T Fluid Temperature
2. Disconnect A/T assembly harness connector and TCM connector.
3. Check continuity between A/T assembly harness connector ter-
minal and TCM connector terminal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK
>> GO TO 4.
NG
>> Replace open circuit or short to ground and short to power in harness or connectors.
4.
DETECT MALFUNCTIONING ITEM
Check the following items:
• Starter relay, Refer to
• IPDM E/R, Refer to
.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-172, "Control Valve with TCM and A/T Fluid
Temperature Sensor 2 and Plug"
NG
>> Repair or replace damaged parts.
5.
CHECK DTC
Perform “DTC Confirmation Procedure”.
Item
Connector
Terminal
Shift position
Voltage (Approx.)
Starter re-
lay
E122
48
Ground
"N'' and "P''
Battery voltage
"R'' and "D''
0V
LCIA0320E
Item
Connector
Terminal
Continuity
A/T assembly harness con-
nector
F9
9
Yes
IPDM E/R connector
E122
48
WCIA0427E
Item
Connector
Terminal Continuity
A/T assembly harness con-
nector
F9
9
Yes
TCM connector
F502
8
SCIA5440E
P0615 STARTER RELAY
TM-43
< COMPONENT DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
• Refer to
TM-41, "DTC Confirmation Procedure"
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
TM-44
< COMPONENT DIAGNOSIS >
P0700 TRANSMISSION CONTROL
P0700 TRANSMISSION CONTROL
Description
INFOID:0000000005148539
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The
TCM controls the A/T.
On Board Diagnosis Logic
INFOID:0000000005148540
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0700 TRANSMISSION CONTROL” with CONSULT-III is detected when the TCM
is malfunctioning.
Possible Cause
INFOID:0000000005148541
TCM.
DTC Confirmation Procedure
INFOID:0000000005148542
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine.
4. Run engine for at least 2 consecutive seconds at idle speed.
5. If DTC is detected, go to
WITH GST
Follow the procedure “With CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005148543
1.
CHECK DTC
With CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF DIAG RESULTS” mode for “TRANSMISSION” with CONSULT-III.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform DTC Confirmation Procedure,
TM-44, "DTC Confirmation Procedure"
.
Is the “P0700” displayed again?
YES
>> Replace the control valve with TCM. Refer to
TM-172, "Control Valve with TCM and A/T Fluid
Temperature Sensor 2 and Plug"
NO
>> INSPECTION END
P0705 TRANSMISSION RANGE SWITCH A
TM-45
< COMPONENT DIAGNOSIS >
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P0705 TRANSMISSION RANGE SWITCH A
Description
INFOID:0000000005148544
The transmission range switch detects the selector lever position and sends a signal to the TCM.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005148545
On Board Diagnosis Logic
INFOID:0000000005148546
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0705 T/M RANGE SWITCH A” with CONSULT-III is detected under the following
conditions.
- When TCM does not receive the correct voltage signal from the transmission range switch 1, 2, 3, 4 based
on the gear position.
- When no other position but “P” position is detected from “N” positions.
Possible Cause
INFOID:0000000005148547
• Harness or connectors
(The transmission range switch 1, 2, 3, 4 and TCM circuit is open or shorted.)
• Transmission range switch 1, 2, 3, 4
DTC Confirmation Procedure
INFOID:0000000005148548
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “ENGINE” with CONSULT-III.
3. Start engine.
4. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
THRTL POS SEN: More than 1.2V
5. If DTC is detected, go to
WITH GST
Follow the procedure “With CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005148549
1.
CHECK TRANSMISSION RANGE SW CIRCUIT
With CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
Item name
Condition
Display value
SLCTLVR POSI
Selector lever in “N”,“P” positions.
N/P
Selector lever in “R” position.
R
Selector lever in “D” position.
D
Selector lever in “4” position.
4
Selector lever in “3” position.
3
Selector lever in “2” position.
2
Selector lever in “1” position.
1
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