Infiniti Q45. Manual — part 47
DTC U1000 CAN COMMUNICATION LINE
AT-101
D
E
F
G
H
I
J
K
L
M
A
B
AT
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic Procedure
NCS000UT
1.
CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-II
1.
Turn ignition switch ON and start engine.
2.
Select “SELF-DIAG RESULTS” mode for “A/T” with CONSULT-
II.
Is any malfunction of the “CAN COMM CIRCUIT” indicated?
YES
>> Print out CONSULT-II screen, GO TO LAN section.
Refer to
LAN-17, "Precautions When Using CONSULT-
NO
>> INSPECTION END
Terminal
Wire
color
Item
Condition
Data (Approx.)
3
L
CAN-H
–
–
8
P
CAN-L
–
–
PCIA0061E
AT-102
DTC P0615 START SIGNAL CIRCUIT
DTC P0615 START SIGNAL CIRCUIT
PFP:25230
Description
NCS000UU
TCM prohibits cranking other than at “P” or “N” position.
CONSULT-II Reference Value
NCS000UV
On Board Diagnosis Logic
NCS000UW
●
This is not an OBD-II self-diagnostic item.
●
Diagnostic trouble code “P0615 STARTER RELAY/CIRC” with CONSULT-II or 14th judgement flicker
without CONSULT-II is detected when starter relay is switched ON other than at “P” or “N” position. (Or
when switched OFF at “P” or “N” position).
Possible Cause
NCS000UX
●
Harness or connectors
(Park/neutral position relay and TCM circuit is open or shorted.)
●
Park/neutral position relay circuit
DTC Confirmation Procedure
NCS000UY
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 “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “STARTER
RELAY” ON/OFF.
3.
Touch “START”.
4.
Start engine.
5.
Drive vehicle for at least 2 consecutive seconds.
6.
If DTC is detected, go to
AT-104, "Diagnostic Procedure"
Item name
Condition
Display value
STARTER RELAY
Selector lever in “N”, “P” positions.
ON
Selector lever in other positions.
OFF
BCIA0031E
DTC P0615 START SIGNAL CIRCUIT
AT-103
D
E
F
G
H
I
J
K
L
M
A
B
AT
Wiring Diagram — AT — STSIG
NCS000UZ
TCWM0302E
AT-104
DTC P0615 START SIGNAL CIRCUIT
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic Procedure
NCS000V0
1.
CHECK STARTER RELAY
With CONSULT-II
1.
Turn ignition switch ON. (Do not start engine.)
2.
Select “SELECTION FROM MENU” in “DATA MONITOR” mode
for “A/T” with CONSULT-II and check monitor “STARTER
RELAY” ON/OFF.
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN A/T ASSEMBLY HARNESS CONNECTOR AND PARK/NEUTRAL
POSITION RELAY HARNESS CONNECTOR
1.
Turn ignition switch OFF.
2.
Remove park/neutral position relay.
3.
Disconnect A/T assembly harness connector.
4.
Check continuity between A/T assembly harness connector ter-
minal and park/neutral position relay harness connector termi-
nal.
5.
If OK, check harness for short to ground and short to power.
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 PARK/NEUTRAL POSITION RELAY GROUND CIRCUIT
1.
Check continuity between park/neutral position relay harness
connector terminal and ground.
2.
If OK, check harness for short to ground and short to power.
3.
Reinstall any part removed.
OK or NG
OK
>> GO TO 4.
NG
>> Repair open circuit or short to ground or short to power
in harness or connectors.
Terminal
Wire
color
Item
Condition
Data (Approx.)
9
B/W
Park/neutral posi-
tion relay
Selector lever in “N”, “P” positions.
Battery voltage
Selector lever in other positions.
0 V
Item name
Condition
Display value
STARTER RELAY
Selector lever in “N”, “P” positions.
ON
Selector lever in other positions.
OFF
PCIA0056E
Item
Connector
Terminal
Continuity
A/T assembly harness con-
nector
F26
9
Yes
Park/neutral position relay
harness connector
E3-6
1
SCIA5847E
Continuity should exist.
SCIA5848E
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