Nissan Versa Sedan. Instruction - part 267
DIAGNOSIS SYSTEM (ECM)
EC-67
< SYSTEM DESCRIPTION >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
*: The item is indicated, but not used.
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
WORK SUPPORT MODE
Work Item
*: This function is not necessary in the usual service procedure.
ACTIVE TEST MODE
A/F SEN1
DIAG3(B1)
ABSNT/
PRSNT
• Indicates DTC P014C, P014D, P015A or P015B
self-diagnosis condition.
- ABSNT: The vehicle condition is not within the di-
agnosis range.
- PRSNT: The vehicle condition is within the diag-
nosis range.
HO2 S2 DIAG2(B1)
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis (slow re-
sponse) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
EOP SENSOR
mV
The signal voltage of EOP sensor is displayed.
HO2 S2 DIAG1(B1)
INCMP/CM-
PLT
• Indicates DTC P0139 self-diagnosis (delayed re-
sponse) condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
SYSTEM 1 DIAG-
NOSIS A B1
INCMP/CM-
PLT
• Indicates DTC P117A self-diagnosis condition.
- INCMP: Self-diagnosis is incomplete.
- CMPLT: Self-diagnosis is complete.
SYSTEM 1 DIAG-
NOSIS B B1
ABSNT/
PRSNT
• Indicates DTC P117A self-diagnosis condition.
- ABSNT: Self-diagnosis standby
- PRSNT: Under self-diagnosis
Monitored item
Unit
Description
Remarks
WORK ITEM
CONDITION
USAGE
IDLE AIR VOL LEARN
The idle air volume that keeps the engine within the specified
range is memorized in ECM.
When learning the idle air volume
EVAP SYSTEM CLOSE
Close the EVAP canister vent control valve in order to make
EVAP system close under the following conditions.
• Ignition switch ON
• Engine not running
• Ambient temperature is above 0
°C (32°F)
• No vacuum and no high pressure in EVAP system
• Fuel tank temperature is more than 0
°C (32°F)
• Within 10 minutes after starting “EVAP SYSTEM CLOSE”
• When trying to execute “EVAP SYSTEM CLOSE” under the
condition except above, CONSULT will discontinue it and
display appropriate instruction.
NOTE:
When starting engine, CONSULT may display “Battery volt-
age is low. Charge battery”, even in using charged battery.
When detecting EVAP vapor leak
point of EVAP system
FUEL PRESSURE RELEASE Fuel pump will stop by touching “START” during idling.
Crank a few times after engine stalls.
When releasing fuel pressure from
fuel line
TARGET IDLE RPM ADJ*
Idle condition
When setting target idle speed
VIN REGISTRATION
In this mode, VIN is registered in ECM.
When registering VIN in ECM
SELF-LEARNING CONT
The coefficient of self-learning control mixture ratio returns to
the original coefficient.
When clearing mixture ratio self-
learning value
TARGET IGN TIM ADJ*
Idle condition
When adjusting target ignition timing
CLSD THL POS LEARN
Ignition on and engine stopped.
When learning throttle valve closed
position