Infiniti M45 (Y34). Manual — part 55
DTC U1000 CAN COMMUNICATION LINE
AT-105
D
E
F
G
H
I
J
K
L
M
A
B
AT
TCM terminals and data are reference value.
Diagnostic Procedure
ACS001AA
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-21, "CAN Communication Unit"
NO
>> INSPECTION END
Terminal
No.
Wire
color
Item
Condition
Data (Approx.)
6
L
CAN H
–
–
7
R
CAN L
–
–
PCIA0061E
AT-106
DTC P0615 START SIGNAL CIRCUIT
DTC P0615 START SIGNAL CIRCUIT
PFP:25230
Description
ACS001AB
Prohibits cranking other at “P” or “N” position.
CONSULT-II Reference Value
ACS004P0
On Board Diagnosis Logic
ACS001AC
●
This is not an OBD-II self-diagnostic item.
●
Diagnostic trouble code “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
ACS001AD
●
Harness or connectors
[The park/neutral position (PNP) relay and TCM circuit is open or shorted.]
●
Park/neutral position (PNP) relay
DTC Confirmation Procedure
ACS001AE
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting 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 “DATA MONITOR” mode for “A/T” with CONSULT-II.
3.
Start engine.
4.
Vehicle start for at least 2 consecutive seconds.
5.
If DTC is detected, go to
AT-108, "Diagnostic Procedure"
Item name
Condition
Display value
STARTER RELAY
Selector lever in “N”, “P” positions.
ON
Selector lever in other positions.
OFF
SAT014K
DTC P0615 START SIGNAL CIRCUIT
AT-107
D
E
F
G
H
I
J
K
L
M
A
B
AT
Wiring Diagram — AT — STSIG
ACS001AF
TCWA0110E
AT-108
DTC P0615 START SIGNAL CIRCUIT
TCM terminal and data are reference value. Measured between each terminal and ground.
Diagnostic Procedure
ACS001AG
1.
CHECK PNP 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” (PNP relay) ON/OFF.
Without CONSULT-II
1.
Turn ignition switch to ON. (Do not start engine.)
2.
Check the voltage between the TCM connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> GO TO 2.
2.
DETECT MALFUNCTIONING ITEM
Check the following items:
●
PNP relay. Refer to
.
●
Disconnections or short-circuits in the harness between TCM and the PNP relay
●
Ground circuit for the PNP relay
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to
AT-106, "DTC Confirmation Procedure"
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 4.
Terminal
No.
Wire
color
Item
Condition
Data (Approx.)
48
B/W
PNP relay
(Starter relay)
IGN ON
Selector lever in “N”, “ P” positions.
Battery voltage
Selector lever in other positions.
0V
Item name
Condition
Display value (Approx.)
STARTER RELAY
Selector lever in “N”, “P”
positions.
ON
Selector lever in other
positions.
OFF
PCIA0056E
Item
Connector
No.
Terminal No.
(Wire color)
Shift position
Voltage
(Approx.)
PNP relay
(Starter relay)
F104
48
(B/W)
Ground
N and P
Battery voltage
R and D
0V
PCIA0060E
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