2006 NISSAN VERSA Workshop Service Repair Manual

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Page 1257 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-88Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
Worksheet Sample
MTBL0017

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
EC-89
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Revision: June 20062007 Versa
DTC Inspection Priority ChartUBS00PKF
If some DTCs are displayed at the same time, perform inspections one by one based

Page 1259 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-90Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
2P0031 P0032 Air fuel ratio (A/F) sensor 1 heater
P0037 P0038 Heated oxygen sensor 2 heater
P0075 Intake valve timing control solenoid valve
P

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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Fail-Safe ChartUBS00PKG
When the DTC listed below is detected, the ECM enters fail-safe mode and the MIL lights up.
Whe

TROUBLE DIAGNOSIS
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Fail-Safe ChartUBS00PKG
When the DTC listed below is detected, the ECM enters fail-safe mode and the MIL lights up.
When there is an open circuit on MIL circuit, the ECM cannot warn the driver by lighting up MIL when
there is malfunction on engine control system.
Therefore, when electrical controlled throttle and part of ECM related diagnoses are continuously detected
as NG for 5 trips, ECM warns the driver that engine control system malfunctions and MIL circuit is open by
means of operating fail-safe function.
The fail-safe function also operates when above diagnoses except MIL circuit are detected and demands
the driver to repair the malfunction.
DTC No. Detected items Engine operating condition in fail-safe mode
P0102
P0103Mass air flow sensor circuit Engine speed will not rise more than 2,400 rpm due to the fuel cut.
P0117
P0118Engine coolant tempera-
ture sensor circuitEngine coolant temperature will be determined by ECM based on the time after turning
ignition switch ON or START.
CONSULT-II displays the engine coolant temperature decided by ECM.
ConditionEngine coolant temperature decided
(CONSULT-II display)
Just as ignition switch is turned
ON or START40°C (104°F)
More than approx. 4 minutes after
ignition ON or START80°C (176°F)
Except as shown above40 - 80°C (104 - 176°F)
(Depends on the time)
When the fail-safe system for engine coolant temperature sensor is activated, the cool-
ing fan operates while engine is running.
P0122
P0123
P0222
P0223
P2135Throttle position sensor The ECM controls the electric throttle control actuator in regulating the throttle opening
in order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the nor-
mal condition.
So, the acceleration will be poor.
P0643 Sensor power supply ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2100
P2103Throttle control relay ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2101 Electric throttle control func-
tionECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2118 Throttle control motor ECM stops the electric throttle control actuator control, throttle valve is maintained at a
fixed opening (approx. 5 degrees) by the return spring.
P2119 Electric throttle control actu-
ator(When electric throttle control actuator does not function properly due to the return
spring malfunction:)
ECM controls the electric throttle actuator by regulating the throttle opening around the
idle position. The engine speed will not rise more than 2,000 rpm.
(When throttle valve opening angle in fail-safe mode is not in specified range:)
ECM controls the electric throttle control actuator by regulating the throttle opening to
20 degrees or less.
(When ECM detects the throttle valve is stuck open:)
While the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops,
the engine stalls.
The engine can restart in N or P (A/T, CVT), Neutral (M/T) position, and engine speed
will not exceed 1,000 rpm or more.
P2122
P2123
P2127
P2128
P2138Accelerator pedal position
sensorThe ECM controls the electric throttle control actuator in regulating the throttle opening
in order for the idle position to be within +10 degrees.
The ECM regulates the opening speed of the throttle valve to be slower than the nor-
mal condition.
So, the acceleration will be poor.
Engine operating condition in fail-safe mode Engine speed will not rise more than 2,500 rpm due to the fuel cut

Page 1261 of 2896

NISSAN VERSA 2006 Workshop Service Repair Manual EC-92Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
Symptom Matrix ChartUBS00PKH
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATI

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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*: Models with A/C.
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM — ENGINE MECH

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NISSAN VERSA 2006 Workshop Service Repair Manual EC-94Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
Air Air duct
55555 5EM-16
Air cleanerEM-16
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator)
5555EM-16
Elec

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NISSAN VERSA 2006 Workshop Service Repair Manual TROUBLE DIAGNOSIS
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Revision: June 20062007 Versa
1 - 6: The numbers refer to the order of inspection.Cooling Radiator/Hose/Radiator filler cap
55555 55 45CO-11
Thermosta

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