2005 NISSAN X-TRAIL P0123

DTC P0122, P0123 TP SENSOR
EC-661
[QR (WITHOUT EURO-OBD)]
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EC

Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
TERMI-
NAL NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
47 RThrottle position sensor
power supply[Ignition switch: ON]Approximately 5V
49 W Throttle position sensor 1[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T), 1st (M/T)

Accelerator pedal: Fully releasedMore than 0.36V
[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T), 1st (M/T)

Accelerator pedal: Fully depressedLess than 4.75V
66 BSensor ground
(Throttle position sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
68 R Throttle position sensor 2[Ignition switch: ON]

Shift lever: D (A/T), 1st (M/T)

Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]

Shift lever: D (A/T), 1st (M/T)

Accelerator pedal: Fully depressedMore than 0.36V
91 BR/YSensor power supply
(Accelerator pedal posi-
tion sensor 2)[Ignition switch: ON]Approximately 5V

EC-662
[QR (WITHOUT EURO-OBD)]
DTC P0122, P0123 TP SENSOR

Diagnostic ProcedureEBS010YJ
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body.
Refer to EC-632, "
Ground Inspection" .
OK or NG
OK >> GO TO 2.
NG >> Repair or replace ground connections.
PBIB2021E

DTC P0122, P0123 TP SENSOR
EC-663
[QR (WITHOUT EURO-OBD)]
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2. CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT-I
1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch ON.
3. Check voltage between electric throttle control actuator terminal
1 and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 7.
NG >> GO TO 3.
3. CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric throttle control actuator terminal 1 and ECM terminal 47.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace open circuit.
PBIB1992E
PBIB1971E
Voltage: Approximately 5V
PBIB0082E
Continuity should exist.

EC-664
[QR (WITHOUT EURO-OBD)]
DTC P0122, P0123 TP SENSOR

4. CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5. CHECK APP SENSOR
Refer to EC-845, "
Component Inspection" .
OK or NG
OK >> GO TO 11
NG >> GO TO 6.
6. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-560, "
Throttle Valve Closed Position Learning" .
4. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK THROTTLE POSITION SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric throttle control actuator terminal 5 and ECM terminal 66.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK THROTTLE POSITION SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between electric throttle control actuator terminal 2 ECM terminal 68.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
ECM terminal Sensor terminal Reference Wiring Diagram
47 Electric throttle control actuator terminal 1EC-660
91 APP sensor terminal 4EC-840
Continuity should exist.
Continuity should exist.

DTC P0122, P0123 TP SENSOR
EC-665
[QR (WITHOUT EURO-OBD)]
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EC

9. CHECK THROTTLE POSITION SENSOR
Refer to EC-665, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-560, "
Throttle Valve Closed Position Learning" .
3. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
11 . CHECK INTERMITTENT INCIDENT
Refer to EC-624, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS010YK
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform EC-560, "
Throttle Valve Closed Position Learning" .
3. Turn ignition switch ON.
4. Set selector lever to D position (A/T) or 1st position (M/T).
5. Check voltage between ECM terminals 49 (TP sensor 1 signal),
68 (TP sensor 2 signal) and ground under the following condi-
tions.
6. If NG, replace electric throttle control actuator and go to the next
step.
7. Perform EC-560, "
Throttle Valve Closed Position Learning" .
8. Perform EC-560, "
Idle Air Volume Learning" .
Removal and InstallationEBS010YL
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-18, "INTAKE MANIFOLD" .
Terminal Accelerator pedal Voltage
49
(Throttle position sensor 1)Fully released More than 0.36V
Fully depressed Less than 4.75V
68
(Throttle position sensor 2)Fully released Less than 4.75V
Fully depressed More than 0.36V
MBIB0022E

INDEX FOR DTC
EC-973
[YD (WITH EURO-OBD)]
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EC

[YD (WITH EURO-OBD)]INDEX FOR DTCPFP:00024
Alphabetical IndexEBS0116O
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the “Type approval number” on the
identification plate. Refer to GI-46, "
IDENTIFICATION PLATE" .
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
EC-1056, "
DTC U1000 CAN COMMUNICATION LINE" .
X: Applicable —: Not applicable
Items
(CONSULT-II screen terms) DTC*
1
TripMI lighting
up Reference page
CONSULT-II
GST*
2ECM*3
APP SEN 1/CIRCUIT P0122 0122 1 —EC-1099
APP SEN 1/CIRCUIT P0123 0123 1 —EC-1099
APP SEN 2/CIRCUIT P0222 0222 1 —EC-1138
APP SEN 2/CIRCUIT P0223 0223 1 —EC-1138
APP SENSOR P2135 2135 1 —EC-1285
BARO SEN/CIRC P2228 2228 3×EC-1303
BARO SEN/CIRC P2229 2229 3×EC-1303
BATTERY VOLTAGE P0563 0563 1 —EC-1215
BRAKE SW/CIRCUIT P0504 0504 1 —EC-1206
CAN COMM CIRCUIT U1000
1000*41—EC-1056
CKP SEN/CIRCUIT P0335 0335 3×EC-1157
CKP SENSOR P0336 0336 3×EC-1163
CMP SEN/CIRCUIT P0340 0340 3×EC-1169
CMP SENSOR P0341 0341 3×EC-1175
CMP/CKP RELATION P0016 0016 3×EC-1059
CYL1 INJECTOR P0201 0201 3×E C - 111 8
CYL2 INJECTOR P0202 0202 3×E C - 111 8
CYL3 INJECTOR P0203 0203 3×E C - 111 8
CYL4 INJECTOR P0204 0204 3×E C - 111 8
ECM P0605 0605 3×EC-1227
ECM P0606 0606 3×EC-1229
ECM RELAY P0686 0686 1 —EC-1245
ECT SEN/CIRC P0117 0117 3×EC-1093
ECT SEN/CIRC P0118 0118 3×EC-1093
EGR SYSTEM P0401 0401 3×EC-1186
EGR VALVE P0404 0404 3×EC-1193
ENG OVER TEMP P0217 0217 1×EC-1124
FRP RELIEF VALVE P1272 1272 3×EC-1263
FRP SEN/CIRC P0192 0192 3×E C - 111 0
FRP SEN/CIRC P0193 0193 3×E C - 111 0
FUEL LEAK P0093 0093 3×EC-1071
FUEL PUMP P0089 0089 3×EC-1068
FUEL PUMP P1273 1273 3×EC-1270
FUEL PUMP P1274 1274 1×EC-1275
FUEL PUMP P1275 1275 1×EC-1280

EC-976
[YD (WITH EURO-OBD)]
INDEX FOR DTC

DTC No. IndexEBS0116P
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the “Type approval number” on the
identification plate. Refer to GI-46, "
IDENTIFICATION PLATE" .
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
EC-1056, "
DTC U1000 CAN COMMUNICATION LINE" .
X: Applicable —: Not applicable
DTC*
1
Items
(CONSULT-II screen item) TripMI lighting
upReference page
CONSULT-II
GST*
2ECM*3
U1000
1000*4CAN COMM CIRCUIT 1 —EC-1056
P0000 0000NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.—— —
P0016 0016 CMP/CKP RELATION 3×EC-1059
P0045 0045 TC BOOST SOL/CIRC 3×EC-1061
P0088 0088 HIGH FUEL PRESS 3×EC-1066
P0089 0089 FUEL PUMP 3×EC-1068
P0093 0093 FUEL LEAK 3×EC-1071
P0101 0101 MAF SENSOR 3×EC-1075
P0102 0102 MAF SEN/CIRCUIT 3×EC-1083
P0103 0103 MAF SEN/CIRCUIT 3×EC-1083
P0112 0112 IAT SEN/CIRCUIT 3×EC-1088
P0113 0113 IAT SEN/CIRCUIT 3×EC-1088
P0117 0117 ECT SEN/CIRC 3×EC-1093
P0118 0118 ECT SEN/CIRC 3×EC-1093
P0122 0122 APP SEN 1/CIRCUIT 1 —EC-1099
P0123 0123 APP SEN 1/CIRCUIT 1 —EC-1099
P0182 0182 FUEL TEMP SEN/CIRC 3×EC-1106
P0183 0183 FUEL TEMP SEN/CIRC 3×EC-1106
P0192 0192 FRP SEN/CIRC 3×E C - 111 0
P0193 0193 FRP SEN/CIRC 3×E C - 111 0
P0200 0200 INJECTOR 3×E C - 111 6
P0201 0201 CYL1 INJECTOR 3×E C - 111 8
P0202 0202 CYL2 INJECTOR 3×E C - 111 8
P0203 0203 CYL3 INJECTOR 3×E C - 111 8
P0204 0204 CYL4 INJECTOR 3×E C - 111 8
P0217 0217 ENG OVER TEMP 1×EC-1124
P0222 0222 APP SEN 2/CIRCUIT 1 —EC-1138
P0223 0223 APP SEN 2/CIRCUIT 1 —EC-1138
P0234 0234 TC SYSTEM 1 —EC-1145
P0237 0237 TC BOOST SEN/CIRC 3×EC-1151
P0238 0238 TC BOOST SEN/CIRC 3×EC-1151
P0335 0335 CKP SEN/CIRCUIT 3×EC-1157
P0336 0336 CKP SENSOR 3×EC-1163
P0340 0340 CMP SEN/CIRCUIT 3×EC-1169
P0341 0341 CMP SENSOR 3×EC-1175

ON BOARD DIAGNOSTIC (OBD) SYSTEM
EC-997
[YD (WITH EURO-OBD)]
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EC
TC BOOST SOL/CIRC P0045 0045××EC-1061
HIGH FUEL PRESS P0088 0088××EC-1066
FUEL PUMP P0089 0089××EC-1068
FUEL LEAK P0093 0093××EC-1071
MAF SENSOR P0101 0101××EC-1075
MAF SEN/CIRCUIT P0102 0102××EC-1083
MAF SEN/CIRCUIT P0103 0103××EC-1083
IAT SEN/CIRCUIT P0112 0112××EC-1088
IAT SEN/CIRCUIT P0113 0113××EC-1088
ECT SEN/CIRC P0117 0117××EC-1093
ECT SEN/CIRC P0118 0118××EC-1093
APP SEN 1/CIRCUIT P0122 0122 — —EC-1099
APP SEN 1/CIRCUIT P0123 0123 — —EC-1099
FUEL TEMP SEN/CIRC P0182 0182××EC-1106
FUEL TEMP SEN/CIRC P0183 0183××EC-1106
FRP SEN/CIRC P0192 0192××EC-1110
FRP SEN/CIRC P0193 0193××EC-1110
INJECTOR P0200 0200××EC-1116
CYL1 INJECTOR P0201 0201××EC-1118
CYL2 INJECTOR P0202 0202××EC-1118
CYL3 INJECTOR P0203 0203××EC-1118
CYL4 INJECTOR P0204 0204××EC-1118
ENG OVER TEMP P0217 0217 —×EC-1124
APP SEN 2/CIRCUIT P0222 0222 — —EC-1138
APP SEN 2/CIRCUIT P0223 0223 — —EC-1138
TC SYSTEM P0234 0234 — —EC-1145
TC BOOST SEN/CIRC P0237 0237××EC-1151
TC BOOST SEN/CIRC P0238 0238××EC-1151
CKP SEN/CIRCUIT P0335 0335××EC-1157
CKP SENSOR P0336 0336××EC-1163
CMP SEN/CIRCUIT P0340 0340××EC-1169
CMP SENSOR P0341 0341××EC-1175
GLOW RELAY P0380 0380××EC-1182
EGR SYSTEM P0401 0401××EC-1186
EGR VALVE P0404 0404××EC-1193
VEHICLE SPEED P0501 0501 — —EC-1200
VEHICLE SPEED P0502 0502 — —EC-1202
VEHICLE SPEED P0503 0503 — —EC-1204
BRAKE SW/CIRCUIT P0504 0504 — —EC-1206
BATTERY VOLTAGE P0563 0563 — —EC-1215
STRG SW/CIRC P0580 0580 — —EC-1218
STRG SW/CIRC P0581 0581 — —EC-1218
Items
(CONSULT-II screen item) DTC*
11st/2nd trip
DTCMI lighting
upReference page
CONSULT-II
GST*
2ECM*3