Nissan Versa (N17): Engine control system (EC)
Nissan Versa 2nd generation (N17) Service Manual / Engine / Engine control system (EC)
- Precaution
- Engine control system
- Structure and operation
- Engine control system
- Multiport fuel injection system
- Electric ignition system
- Air conditioning cut control
- Cooling fan control
- Evaporative emission system
- Intake valve timing control
- Exhaust valve timing control
- Engine protection control at low engine oil pressure
- Fuel filler cap warning system
- Automatic speed control device (ASCD)
- Automatic speed control device (ASCD)
- Diagnosis description
- Ecm
- Diagnosis and repair workflow
- Additional service when replacing ECM
- Accelerator pedal released position learning
- Throttle valve closed position learning
- Idle air volume learning
- Mixture ratio selflearning value clear
- Basic inspection
- Fuel pressure check
- How to set SRT code
- How to erase permanent DTC
- Trouble diagnosis specification value
- Power supply and ground circuit
- U0101 can comm circuit
- U1001 CAN comm circuit
- P0011 IVT control
- P0014 EVT control
- P0031, P0032 A/F sensor 1 heater
- P0037, P0038 HO2s2 heater
- P0075 IVT control solenoid valve
- P0078 EVT control solenoid valve
- P0101 MAF sensor
- P0102, P0103 MAF sensor
- P0111 IAT sensor
- P0112, P0113 IAT sensor
- P0116 ECT sensor
- P0117, P0118 ECT sensor
- P0122, P0123 TP sensor
- P0125 ECT sensor
- P0127 IAT sensor
- P0128 thermostat function
- P0130 A/F sensor 1
- P0131 A/F sensor 1
- P0132 A/F sensor 1
- P0137 HO2s2
- P0138 HO2s2
- P0139 HO2s2
- P014C, P014D, P015A, P015B, A/F sensor 1
- P0171 fuel injection system function
- P0181 FTT sensor
- P0182, P0183 FTT sensor
- P0196 EOT sensor
- P0197, P0198 EOT sensor
- P0222, P0223 TP sensor
- P0300, P0301, P0302, P0303, P0304 misfire
- P0327, P0328 KS
- P0335 CKP sensor (POC)
- P0340 CMP sensor (PHASE)
- P0420 three way catalyst function
- P0441 EVAP control system
- P0443 EVAP canister purge volume control solenoid valve
- P0444, P0445 EVAP canister purge volume control solenoid valve
- P0447 EVAP canister vent control valve
- P0448 EVAP canister vent control valve
- P0451 EVAP control system pressure sensor
- P0452 EVAP control system pressure sensor
- P0453 EVAP control system pressure sensor
- P0456 EVAP control system
- P0460 fuel level sensor
- P0461 fuel level sensor
- P0462, P0463 fuel level sensor
- P0500 VSS
- P0506 ISC system
- P0507 ISC system
- P050a, P050b, P050e cold start control
- P0520 EOP sensor
- P0524 engine oil pressure
- P0603 ECM power supply
- P0605 ECM
- P0607 ECM
- P0643 sensor power supply
- P0850 PNP switch
- P1078 EVT control position sensor
- P1148 closed loop control
- P117A air fuel ratio
- P1212 TCS communication line
- P1217 engine over temperature
- P1225 TP sensor
- P1226 TP sensor
- P1550 battery current sensor
- P1551, P1552 battery current sensor
- P1553 battery current sensor
- P1554 battery current sensor
- P1564 ASCD steering switch
- P1572 ASCD brake switch
- P1574 ASCD vehicle speed sensor
- P1715 Input speed sensor
- P1720 VSS
- P1805 brake switch
- P2096, P2097 A/F sensor 1
- P2100, P2103 throttle control motor relay
- P2101 electric throttle control function
- P2118 throttle control motor
- P2119 electric throttle control actuator
- P2122, P2123 APP sensor
- P2127, P2128 APP sensor
- P2135 TP sensor
- P2138 APP sensor
- Brake pedal position switch
- Clutch pedal position switch
- Cooling fan
- Electrical load signal
- Fuel injector
- Fuel pump
- Ignition signal
- Malfunction indicator lamp
- On board refueling vapor recovery (ORVR)
- Refrigerant pressure sensor
- Engine control system symptoms
- Normal operating condition
- IDLE SPEED
- Ignition timing
- Evaporative emission system
- EVAP leak check
- Positive crankcase ventilation
- Removal and installation
- Service data and specifications (SDS)
Engine cooling system (CO)
Other materials:
U0073 Communication bus a off
DTC Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0073
Control Module Communication
Bus "A" Off
When the ignition switch is ON,
TCM detects a bus-off error
continuously for 2 seconds or
more.
Harness or connector
(CA ...
Wheel alignment
Inspection
DESCRIPTION
CAUTION:
The adjustment mechanisms of camber and toe-in are not included.
If camber and toe-in is outside the standard, check front
suspension parts for wear and damage.
Replace suspect parts if a malfunction is detected.
Measure wheel alignment under unladen ...
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