Infiniti G35 (V35) Sedan. Manual — part 1357
TM-120
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000000957011
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicle, and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission
with less wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC Logic
INFOID:0000000000957012
DTC DETECTION LOGIC
*: This is an OBD-II self-diagnostic item.
DTC CONFIRMATION PROCEDURE
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.
1.
CHECK DTC DETECTION
With CONSLULT-III
1.
Start the engine.
2.
Run engine for at least 2 consecutive seconds at idle speed.
3.
Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”. Refer to
With GST
Follow the procedure “With CONSULT-III”
Is “U1000 CAN COMM CIRCUIT” detected?
YES
>> Go to
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000957013
1.
CHECK CAN COMMUNICATION CIRCUIT
With CONSULT-III
1.
Start the engine.
2.
Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
Is any malfunction of the “U1000 CAN COMM CIRCUIT” indicated?
YES
>> Go to LAN section. Refer to
LAN-18, "Trouble Diagnosis Flow Chart"
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
U1000*
CAN COMM CIRCUIT
17th
When TCM is not trans-
mitting or receiving CAN
communication signal for
2 seconds or more.
Harness or connectors
(CAN communication
line is open or shorted.)
P0615 START SIGNAL
TM-121
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
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TM
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P0615 START SIGNAL
Description
INFOID:0000000000957014
TCM prohibits cranking other than at “P” or “N” position.
DTC Logic
INFOID:0000000000957015
DTC DETECTION LOGIC
*: This is not an OBD-II self-diagnostic item.
DTC CONFIRMATION PROCEDURE
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.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “DATA MONITOR”.
3.
Drive vehicle for at least 2 consecutive seconds.
Is “P0615 STARTER RELAY/CIRC” detected?
YES
>> Go to
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000957016
1.
CHECK HARNESS BETWEEN A/T ASSEMBLY HARNESS CONNECTOR AND IPDM E/R CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect A/T assembly harness connector and IPDM E/R connector.
3.
Check the 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.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
2.
CHECK TERMINAL CORD ASSEMBLY
1.
Remove control valve with TCM. Refer to
2.
Disconnect A/T assembly harness connector and TCM connector.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
P0615*
STARTER TELAY/CIRC
14th
If this signal is ON other
than in “P” or “N” posi-
tion, this is judged to be a
malfunction.
(And if it is OFF in “P” or
“N” position, this too is
judged to be a malfunc-
tion.
• Harness or connectors
(Starter relay and TCM
circuit is open or short-
ed.)
• Starter relay circuit
STARTER RELAY
A/T assembly harness connector
IPDM E/R connector
Continuity
Connector
Terminal
Connector
Terminal
F51
9
E5
30
Existed
TM-122
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P0615 START SIGNAL
3.
Check continuity between A/T assembly harness connector and TCM connector.
4.
If OK, check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK STARTER RELAY
Check starter relay. Refer to
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
A/T assembly harness connector
TCM connector
Continuity
Connector
Terminal
Connector
Terminal
F51
9
F151
8
Existed
P0700 TCM
TM-123
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
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F
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A
B
TM
N
O
P
P0700 TCM
Description
INFOID:0000000000957017
The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The
TCM controls the A/T.
DTC Logic
INFOID:0000000000957018
DTC DETECTION LOGIC
*: This is an OBD-II self-diagnostic item.
DTC CONFIRMATION PROCEDURE
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.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Run engine for at least 2 consecutive seconds at idle speed.
3.
Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”. Refer to
.
With GST
Follow the procedure “With CONSULT-III”.
Is “P0700 TCM” detected?
YES
>> Go to
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000957019
1.
CHECK DTC
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “SELF-DIAG RESULTS” mode for “TRANSMISSION”.
3.
Touch “ERASE”.
4.
Turn ignition switch OFF and wait for at least 10 seconds.
5.
Check the DTC again. Refer to
Is the “P0700 TCM” detected again?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
DTC
Item
(CONSULT-III screen terms)
Diagnostic item is detected
when...
Possible cause
P0700*
TCM
TCM is malfunctioning.
TCM
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