Infiniti G37 Coupe. Manual — part 1327
P1815 MANUAL MODE SWITCH
TM-161
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
2.
Disconnect unified meter and A/C amp. connector.
3.
Check continuity between paddle shifter vehicle side harness connector terminals and unified meter and
A/C amp. vehicle side harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 15.
NO
>> Repair or replace damaged parts.
15.
CHECK HARNESS BETWEEN PADDLE SHIFTER AND UNIFIED METER AND A/C AMP. (STEP 2)
Check continuity between paddle shifter vehicle side harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 16.
NO
>> Repair or replace damaged parts.
16.
CHECK MALFUNCTIONING ITEM
Check the following.
• Check terminals of unified meter and A/C amp. connector for damage.
• Check connector for loose connection.
Is the inspection result normal?
YES
>> GO TO 17.
NO
>> Repair or replace damaged parts.
17.
CHECK UNIFIED METER AND A/C AMP.
1.
Reconnect all the connectors.
2.
Turn ignition switch ON.
3.
Select “M RANGE SW”, “NM RANGE SW”, “AT SFT UP SW”, “AT SFT DWN SW”, “ST SFT UP SW”* and
“ST SFT DWN SW”* on “DATA MONITOR” mode for “METER/M&A”, and check the On/Off operations of
each monitor item. Refer to
.
*: With paddle shifter
Is the inspection result normal?
YES
>> GO TO 18.
NO
>> Replace unified meter and A/C amp. Refer to
18.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
Component Inspection (Manual Mode Switch)
INFOID:0000000001672204
1.
CHECK MANUAL MODE SWITCH
Check continuity between terminals.
Paddle shifter vehicle side harness connector
Unified meter and A/C amp. vehicle side harness
connector
Continuity
Connector
Terminal
Connector
Terminal
M32
3
M66
26
Existed
M39
3
6
Paddle shifter vehicle side harness connector
Ground
Continuity
Connector
Terminal
M32
3
Not existed
M39
3
TM-162
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1815 MANUAL MODE SWITCH
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts. Refer to
Component Inspection (Paddle Shifter)
INFOID:0000000001672205
1.
CHECK PADDLE SHIFTER
Check continuity between terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace damaged parts. Refer to
.
A/T device harness connector
Condition
Continuity
Connector Terminal
M137
1
4
Selector lever: Manual (Neutral)
Existed
Other than the above
Not existed
2
Selector lever: DOWN (
−
side)
Existed
Other than the above
Not existed
3
Selector lever: UP (+ side)
Existed
Other than the above
Not existed
5
Selector lever: Auto
Existed
Other than the above
Not existed
Paddle shifter (shift-up) connector
Condition
Continuity
Connector
Terminal
M39
1
3
UP (+ side)
Existed
Other than the above
Not existed
Paddle shifter (shift-down) connector
Condition
Continuity
Connector
Terminal
M32
1
3
DOWN (
−
side)
Existed
Other than the above
Not existed
MAIN POWER SUPPLY AND GROUND CIRCUIT
TM-163
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
MAIN POWER SUPPLY AND GROUND CIRCUIT
Description
INFOID:0000000001672206
Supply power to TCM.
Diagnosis Procedure
INFOID:0000000001672207
1.
CHECK TCM POWER SOURCE
1.
Turn ignition switch OFF.
2.
Disconnect A/T assembly harness connector.
3.
Turn ignition switch ON.
4.
Check voltage between A/T assembly vehicle side harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK TCM GROUND CIRCUIT
Check continuity between A/T assembly vehicle side harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK TCM POWER SOURCE CIRCUIT
Check voltage between A/T assembly vehicle side harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>>
Check the following. If NG, repair or replace damaged parts.
• Harness for short or open between battery and A/T assembly vehicle side harness connector
terminals 1, 2.
• Harness for short or open between ignition switch and A/T assembly vehicle side harness con-
nector terminal 6.
• 10A fuse (No. 36, located in the fuse, fusible link and relay box)
A/T assembly vehicle side harness connector
Voltage (Approx.)
Connector
Terminal
F51
1
5
Battery voltage
10
2
5
10
6
5
10
A/T assembly vehicle side harness connector
Ground
Continuity
Connector
Terminal
F51
5
Existed
10
A/T assembly vehicle side harness connector
Ground
Voltage (Approx.)
Connector
Terminal
F51
1
Battery voltage
2
6
TM-164
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
MAIN POWER SUPPLY AND GROUND CIRCUIT
• 10A fuse (No. 43, located in the IPDM E/R)
• Push-button ignition switch. Refer to
PG-50, "Wiring Diagram - IGNITION POWER SUPPLY -"
.
4.
DETECT MALFUNCTIONING ITEM (STEP 1)
Check the following.
• Check terminals of A/T assembly connector for damage.
• Check connector for loose connection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK TERMINAL CORD ASSEMBLY
1.
Remove control valve with TCM. Refer to
.
2.
Disconnect TCM connector.
3.
Check continuity between A/T assembly harness connector terminals and TCM connector terminals.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace damaged parts.
6.
DETECT MALFUNCTIONING ITEM (STEP 2)
Check the following.
• Check terminals of TCM connector and harness cladding for damage.
• Check connector for loose connection.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts.
A/T assembly harness connector
TCM connector
Continuity
Connector
Terminal
Connector
Terminal
F51
1
F151
9
Existed
2
10
6
4
5
F153
21
10
22
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