Nissan Quest E52. Instruction — part 1221
TM-114
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
P1701 TCM
P1701 TCM
Description
INFOID:0000000009650181
Detects malfunction when power source (backup) is not supplied to TCM and learning function is stopped.
CAUTION:
“P1701” can be displayed in self diagnosis result immediately after TCM replacement and after tran-
saxle assembly replacement (after TCM initialization operation). In this case, erase self diagnosis
result using CONSULT. After erasing self diagnosis result, perform reproducing operation of “P1701”
to confirm that there is no longer malfunction.
DTC Logic
INFOID:0000000009650182
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Start the engine.
2.
Maintain the idling conditions for 10 seconds or more.
3.
Drive the vehicle for 10 seconds or more.
4.
Stop the vehicle.
5.
Turn ignition switch OFF.
6.
Wait for 10 seconds or more.
7.
Start the engine.
8.
Check DTC.
Is “P1701” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650183
1.
CHECK TCM POWER SOURCE (PART 1)
1.
Turn ignition switch OFF.
2.
Disconnect the TCM connector.
3.
Check the voltage between TCM harness connector terminals and ground.
DTC
Trouble diagnosis name
DTC detection condition
Possible cause
P1701
Power Supply Circuit
Detects malfunction when power source
(backup) is not supplied to TCM and learn-
ing function is stopped
Harness or connectors
(TCM power supply circuit is open or short-
ed.)
P1701 TCM
TM-115
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK TCM POWER SOURCE (PART 2)
1.
Turn ignition switch OFF.
2.
Check the voltage between TCM harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
3.
CHECK HARNESS BETWEEN TCM AND IPDM E/R
1.
Turn ignition switch OFF.
2.
Disconnect the IPDM E/R connector.
3.
Check the continuity between TCM harness connector terminals and IPDM E/R harness connector termi-
nal.
4.
Check the continuity between TCM harness connector terminals and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
DETECT MALFUNCTIONING ITEMS
Check the following items.
• IPDM E/R
• 10A fuse (# 43, located in IPDM E/R)
• Harness for short or open between IPDM E/R and ignition switch
• Ignition switch
Is the inspection result normal?
+
-
Condition
Voltage (Approx.)
TCM
Connector
Terminal
F23
46
Ground
Turn ignition switch ON
10 – 16 V
Turn ignition switch OFF
0 V
48
Turn ignition switch ON
10 – 16 V
Turn ignition switch OFF
0 V
+
-
Condition
Voltage (Approx.)
TCM
Connector
Terminal
F23
47
Ground
Always
10 – 16 V
TCM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F23
46
E11
58
Existed
48
TCM
—
Continuity
Connector
Terminal
F23
46
Ground
Not existed
48
TM-116
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
P1701 TCM
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
5.
DETECT MALFUNCTIONING ITEMS
Check the following items.
• Fuse block (J/B)
• 10A fuse [# 11, located in Fuse block (J/B)]
• Harness for short or open between TCM and battery
• Battery
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
6.
CHECK GROUND CIRCUIT
Check the continuity between TCM harness connector terminals and ground.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
NO
>> Repair or replace damaged parts.
TCM
—
Continuity
Connector
Terminal
F23
5
Ground
Existed
42
P1705 TP SENSOR
TM-117
< DTC/CIRCUIT DIAGNOSIS >
[CVT: RE0F09B]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
P1705 TP SENSOR
DTC Logic
INFOID:0000000009650184
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
>> GO TO 2.
2.
CHECK DTC DETECTION
With CONSULT
1.
Start the engine.
2.
Apply the parking brake.
3.
Perform full accelerator pedal depression and keep for 1 second.
4.
Release a foot from accelerator pedal.
5.
Check DTC.
Is “P1705” detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009650185
1.
CHECK DTC WITH ECM
With CONSULT
1.
Turn ignition switch ON.
2.
Perform “Self Diagnostic Results” in “ENGINE”.
Is any DTC detected?
YES
>> Check DTC detected item. Refer to
NO
>> Check intermittent incident. Refer to
GI-42, "Intermittent Incident"
.
DTC
Trouble diagnosis name
DTC detection condition
Possible cause
P1705
Accelerator Pedal Position
Sensor Signal
The difference between two accelerator
pedal position signals that TCM receives
from ECM (via CAN communication) ex-
ceeds 1/8 and keeps for 1 second or more
• Harness or connectors
(CAN communication line is open or
shorted.)
• ECM
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