Infiniti Q45. Manual — part 48
DTC P0615 START SIGNAL CIRCUIT
AT-105
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
CHECK TERMINAL CORD ASSEMBLY
1.
Remove control valve with TCM. Refer to
AT-225, "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 5.
NG
>> Replace open circuit or short to ground and short to power in harness or connectors.
5.
DETECT MALFUNCTIONING ITEM
Check the following.
●
Park/neutral position relay. Refer to
.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
AT-225, "Control Valve with TCM and A/T Fluid Tem-
NG
>> Repair or replace damaged parts.
6.
CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to
AT-102, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
Item
Connector
Terminal
Continuity
A/T assembly harness con-
nector
F26
9
Yes
TCM connector
F502
8
SCIA5440E
AT-106
DTC P0700 TCM
DTC P0700 TCM
PFP:31036
Description
NCS000V1
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
NCS000V2
●
This is an OBD-II self-diagnostic item.
●
Diagnostic trouble code “P0700 TCM” with CONSULT-II is detected when TCM is malfunctioning.
Possible Cause
NCS000V3
TCM.
DTC Confirmation Procedure
NCS000V4
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-II
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA
MONITOR” mode for “A/T” with CONSULT-II.
3.
Touch “START”.
4.
Start engine.
5.
Run engine for at least 2 consecutive seconds at idle speed.
6.
If DTC is detected, go to
AT-106, "Diagnostic Procedure"
WITH GST
Follow the procedure “WITH CONSULT-II”.
Diagnostic Procedure
NCS000V5
1.
CHECK DTC
With CONSULT-II
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “SELF DIAG RESULTS” mode for “A/T” with CONSULT-II.
3.
Touch “ERASE”.
4.
Turn ignition switch OFF and wait for at least 10 seconds.
5.
Perform DTC confirmation procedure,
AT-106, "DTC Confirmation Procedure"
.
Is the “TCM” displayed again?
YES
>> Replace the control valve with TCM. Refer to
AT-225, "Control Valve with TCM and A/T Fluid Tem-
NO
>> INSPECTION END
BCIA0031E
DTC P0705 PARK/NEUTRAL POSITION SWITCH
AT-107
D
E
F
G
H
I
J
K
L
M
A
B
AT
DTC P0705 PARK/NEUTRAL POSITION SWITCH
PFP:32006
Description
NCS000V6
●
The PNP switch includes a transmission range switch.
●
The transmission range switch detects the selector lever position and sends a signal to the TCM.
CONSULT-II Reference Value
NCS000V7
On Board Diagnosis Logic
NCS000V8
●
This is an OBD-II self-diagnostic item.
●
Diagnostic trouble code “P0705 PNP SW/CIRC” with CONSULT-II or 9th judgement flicker without CON-
SULT-II is detected under the following conditions.
–
When TCM does not receive the correct voltage signal from the PNP switches 1, 2, 3 and 4 based on the
gear position.
–
When no other position but “P” position is detected from “N” position.
Possible Cause
NCS000V9
●
Harness or connectors
PNP switches 1, 2, 3 and 4 and TCM circuit is open or shorted.
●
PNP switches 1, 2, 3 and 4
DTC Confirmation Procedure
NCS000VA
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-II
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “ECU INPUT SIGNALS” or “MAIN SIGNALS” in “DATA
MONITOR” mode for “A/T” with CONSULT-II.
3.
Touch “START”.
4.
Start engine.
5.
Drive vehicle and maintain the following conditions for at least 2
consecutive seconds.
ACCELE POSI: More than 1.0/8
6.
AT-109, "Diagnostic Procedure"
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name
Condition
Display value
SLCT LVR POSI
Selector lever in “N”, “P” positions.
N/P
Selector lever in “R” position.
R
Selector lever in “D” position.
D
BCIA0031E
AT-108
DTC P0705 PARK/NEUTRAL POSITION SWITCH
Wiring Diagram — AT — PNP/SW
NCS000VB
TCWM0303E
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