2008 NISSAN TIIDA diagram

DTC P0643 SENSOR POWER SUPPLY
EC-401
< SERVICE INFORMATION >
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Wiring DiagramINFOID:0000000001702919
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.
BBWA2649E

DTC P0643 SENSOR POWER SUPPLY
EC-403
< SERVICE INFORMATION >
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2.CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT
1. Disconnect accelerator pedal position (APP) sensor (1) harness
connector.
2. Turn ignition switch ON.
3. Check voltage between APP sensor terminal 4 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 8.
NG >> GO TO 3.
3.CHECK ACCELERATOR PEDAL POSITION SENSOR 1 POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 4 and ECM terminal 106.
Refer to Wiring Diagram.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK SENSOR POWER SUPPLY CIRCUITS
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 CAMSHAFT POSITION SENSOR (PHASE)
Refer to EC-307, "
Component Inspection".
OK or NG
OK >> GO TO 6.
NG >> Replace camshaft position sensor (PHASE).
6.CHECK THROTTLE POSITION SENSOR
Refer to EC-492, "
Component Inspection".
BBIA0705E
Voltage: Approximately 5V
PBIA9606J
Continuity should exist.
ECM terminal Sensor terminal Reference Wiring Diagram
72 Throttle position sensor terminal 1EC-489, "
Wiring Diagram"
78 Camshaft position sensor (PHASE) terminal 1EC-304, "Wiring Diagram"
106 APP sensor terminal 4EC-401, "Wiring Diagram"

DTC P0850 PNP SWITCH
EC-407
< SERVICE INFORMATION >
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Wiring DiagramINFOID:0000000001702926
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.
BBWA3002E

EC-408
< SERVICE INFORMATION >
DTC P0850 PNP SWITCH
Diagnosis Procedure
INFOID:0000000001702927
A/T MODELS
1.CHECK PNP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between PNP switch terminal 1 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between PNP switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between PNP switch terminal 2 and ECM terminal 69.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK PNP SWITCH
Refer to AT-90, "
Component Inspection".
OK or NG
OK >> GO TO 5.
NG >> Replace PNP switch.
5.CHECK INTERMITTENT INCIDENT
Refer to EC-136
.
TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
69 LPark/neutral position
(PNP) switch[Ignition switch: ON]
• Shift lever: P or N (A/T, CVT),
Neutral (M/T)BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]
• Except aboveApproximately 0V
Voltage: Battery voltage
PBIB3002E
Continuity should exist.

DTC P0850 PNP SWITCH
EC-409
< SERVICE INFORMATION >
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>>INSPECTION END
M/T MODELS
1.CHECK PNP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect PNP switch harness connector.
3. Turn ignition switch ON.
4. Check voltage between PNP switch terminal 2 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short between PNP switch and fuse
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between PNP switch terminal 3 and ECM terminal 69.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK PNP SWITCH
Refer to MT-12
.
OK or NG
OK >> GO TO 5.
NG >> Replace PNP switch.
5.CHECK INTERMITTENT INCIDENT
Refer to EC-136
.
>>INSPECTION END
CVT MODELS
1.CHECK DTC WITH TCM
Refer to AT-36, "
OBD-II Diagnostic Trouble Code (DTC)".
OK or NG
OK >> GO TO 2.
NG >> Repair or replace.Voltage: Battery voltage
PBIB3003E
Continuity should exist.

EC-410
< SERVICE INFORMATION >
DTC P0850 PNP SWITCH
2.CHECK STARTING SYSTEM
Turn ignition switch OFF, then turn it to START.
Does starter motor operate?
Ye s o r N o
Ye s > > G O T O 3 .
No >> Refer to SC-8
.
3.CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Disconnect ECM and TCM harness connectors.
3. Check harness continuity between TCM terminal 24 and ECM terminal 69.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors F8, E8
• Harness for open or short between TCM and ECM.
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK INTERMITTENT INCIDENT
Refer to EC-136
.
>>INSPECTION END Continuity should exist.

EC-416
< SERVICE INFORMATION >
DTC P1217 ENGINE OVER TEMPERATURE
Wiring Diagram
INFOID:0000000001702933
BBWA2997E

EC-420
< SERVICE INFORMATION >
DTC P1217 ENGINE OVER TEMPERATURE
3. Check voltage between IPDM E/R terminal 22 and ground with
CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
• 50A fusible link
• Harness for open or short between IPDM E/R and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK COOLING FAN MOTOR CIRCUIT
1. Disconnect cooling fan motor harness connector (1).
- : Vehicle front
-Resistor (2)
2. Disconnect IPDM E/R harness connectors E46 and E48.
3. Check harness continuity between the following;
cooling fan motor terminal 1 and IPDM E/R terminal 24,
cooling fan motor terminal 2 and ground.
Refer to wiring diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between IPDM E/R terminal 20 and
cooling fan motor terminal 1.
Refer to wiring diagram.
6. Also check harness for short to ground and short to power.
7. Check harness continuity between IPDM E/R terminals 39, 59 and ground.
Refer to Wiring Diagram.
8. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
• Harness for open or short between cooling fan motor and IPDM E/R
• Harness for open or short between cooling fan motor and ground
•Resistor E5
>> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK COOLING FAN MOTOR
Refer to EC-424, "
Component Inspection".
OK or NG
Voltage: Battery voltage
PBIB2607E
Continuity should exist.
Continuity should exist.
Continuity should exist.
BBIA0706E