Infiniti G35 (V35) Sedan. Manual — part 1368
TM-164
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1815 MANUAL MODE SWITCH
P1815 MANUAL MODE SWITCH
Description
INFOID:0000000000957092
Manual mode switch is installed in A/T device. It transmits manual mode switch, shift up and shift down switch
signals to unified meter and A/C amp. then unified meter and A/C amp. transmits signals to TCM with CAN
communication.
Paddle shifter transmits shift up and shift down switch signals to unified meter and A/C amp., then unified
meter and A/C amp. transmits signals to TCM with CAN communication. (With paddle shifter)
TCM transmits the switch signals to unified meter and A/C amp. by CAN communication line. Then manual
mode switch position is indicated on the A/T indicator. For inspection, refer to
DTC Logic
INFOID:0000000000957093
DTC DETECTION LOGIC
*1: This is not an OBD-II self-diagnostic item.
*2: With paddle shifter
DTC CONFIRMATION PROCEDURE
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.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “DATA MONITOR”.
3.
Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
Is “P1815 MANU MODE SW/CIRC” detected?
YES
>> Go to
NO
>> Check Intermittent incident. Refer to
GI-39, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000000957094
1.
CHECK MANUAL MODE SWITCH CIRCUIT
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “DATA MONITOR”.
3.
Check the ON/OFF operations of each monitor item.
DTC
Item
(CONSULT-III screen terms)
Diagnostic item is detected
when...
Possible cause
P1815
*1
MANU MODE SW/CIRC
• TCM monitors manual mode,
non manual mode, up or
down switch signal, and de-
tects as irregular when im-
possible input pattern occurs
2 second or more.
• When shift up/down signal of
paddle shifter continuously
remains ON for 60 seconds.
(With paddle shifter)
• Harness or connectors
(These switches circuit is
open or shorted.)
• Manual mode select switch
(Into control device)
• Manual mode position select
switch (Into control device)
• Paddle shifter
*2
MANU MODE SW
: ON
P1815 MANUAL MODE SWITCH
TM-165
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
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A
B
TM
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*: With paddle shifter
Without CONSULT-III
Drive the vehicle in the manual mode and shift the select lever and paddle shifter* to “UP (+ side)” or “DOWN
(
−
side)” side (1st
⇔
5th gear). Check that the meter indicator coincides with the actual gear position.
*: With paddle shifter
Which item is abnormal?
A/T device>>GO TO 2.
Paddle shifter>>GO TO 5.
2.
CHECK MANUAL MODE SWITH
Check manual mode switch. Refer to
TM-167, "Component Inspection (Manual Mode Switch)"
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK HARNESS BETWEEN A/T DEVICE HARNESS CONNECTR AND UNIFIED METER AND A/C
AMP. HARNESS CONNECTOR
1.
Disconnect A/T device harness connector and unified meter and A/C amp. harness connector.
2.
Check continuity between A/T device harness connector and unified meter and A/C amp. harness con-
nector.
3.
If OK, check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace open circuit or short to ground and short to power in harness or connectors.
4.
CHECK GROUND CIRCUIT
1.
Check continuity between A/T device harness connector and ground.
Item
Monitor Item
Condition
Status
Manual mode switch
MANU MODE SW
Manual shift gate position (neutral)
ON
Other than the above
OFF
NON M-MODE SW
Manual shift gate position
OFF
Other than the above
ON
UP SW LEVER
Selector lever: UP (+ side)
ON
Other than the above
OFF
DOWN SW LEVER
Selector lever: DOWN (
−
side)
ON
Other than the above
OFF
Paddle shifter*
SFT UP ST SW
Paddle shifter: UP (+ side)
ON
Other than the above
OFF
SFT DWN ST SW
Paddle shifter: DOWN (
−
side)
ON
Other than the above
OFF
A/T device harness connector
Unified meter and A/C amp. harness connector
Continuity
Connector
Terminal
Connector
Terminal
M137
1
M66
10
Existed
2
25
Existed
3
5
Existed
5
11
Existed
TM-166
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1815 MANUAL MODE SWITCH
2.
If OK, check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace open circuit or short to ground and short to power in harness or connectors.
5.
CHECK PADDLE SHIFTER
Check paddle shifter. Refer to
TM-167, "Component Inspection (Paddle Shifter)"
.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace damaged parts.
6.
CHECK HARNESS BETWEEN PADDLE SHIFTER HARNESS CONNECTR AND UNIFIED METER AND
A/C AMP. HARNESS CONNECTOR
1.
Disconnect paddle shifter harness connector and unified meter and a/c amp. harness connector.
2.
Check continuity between paddle shifter harness connector and unified meter and A/C amp. harness con-
nector.
3.
If OK, check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace open circuit or short to ground and short to power in harness or connectors.
7.
CHECK GROUND CIRCUIT
1.
Check continuity between paddle shifter harness connector and ground.
2.
If OK, check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace open circuit or short to ground and short to power in harness or connectors.
8.
CHECK UNIFIED METER AND A/C AMP.
Check unified meter and A/C amp. Refer to
MWI-20, "SHIFT POSITION INDICATOR : System Diagram"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair or replace damaged parts.
9.
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.
A/T device harness connector
Ground
Continuity
Connector
Terminal
M137
4
Existed
Paddle shifter harness connector
Unified meter and A/C amp. harness connector
Continuity
Connector
Terminal
Connector
Terminal
M32
3
M66
26
Existed
M39
3
6
Existed
Paddle shifter harness connector
Ground
Continuity
Connector
Terminal
M32
1
Existed
M39
1
Existed
P1815 MANUAL MODE SWITCH
TM-167
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Component Inspection (Manual Mode Switch)
INFOID:0000000000957095
1.
CHECK MANUAL MODE SWITCH
Check continuity between terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace damaged parts. Refer to
(AWD).
Component Inspection (Paddle Shifter)
INFOID:0000000000957096
1.
CHECK PADDLE SHIFTER
1.
Remove paddle shifter. Refer to
.
2.
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
Connector Terminal
M137
4
M137
5
Selector lever: Auto
Existed
Other than the above
No existed
1
4
Selector lever: Manual (Neutral)
Existed
Other than the above
No existed
3
4
Selector lever: UP (+ side)
Existed
Other than the above
No existed
2
4
Selector lever: DOWN (
−
side)
Existed
Other than the above
No existed
Paddle shifter (shift-up)
Condition
Continuity
Connector
Terminal
Connector
Terminal
M39
1
M39
3
UP (+ side)
Existed
Other than the above
Not existed
Paddle shifter (shift-down)
Condition
Continuity
Connector
Terminal
Connector
Terminal
M32
1
M32
3
DOWN (
−
side)
Existed
Other than the above
Not existed
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