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SYMPTOM
Reference
section
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
NVIS (NISSAN Vehicle Immobilizer System —
NATS)
11
EC-92 or EL
section
1 - 6: The numbers refer to the order of inspection.
CONSULT-II Reference Value in Data Monitor
Mode
NFEC1426
Remarks:
I Specification data are reference values.
I Specification data are output/input values which are detected or supplied by the ECM at the connector.
* Specification data may not be directly related to their components signals/values/operations.
i.e. Adjust ignition timing with a timing light before monitoring IGN TIMING, because the monitor may show the specification data in
spite of the ignition timing not being adjusted to the specification data. This IGN TIMING monitors the data calculated by the ECM
according to the signals input from the camshaft position sensor and other ignition timing related sensors.
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED
I Tachometer: Connect
I Run engine and compare tachometer indication with the CONSULT-II
value.
Almost the same speed as the
CONSULT-II value.
MAS A/F SE-B1
I Engine: After warming up
I Air conditioner switch: “OFF”
I Shift lever: “N”
I No-load
Idle 1.1 - 1.5V
2,500 rpm 1.7 - 2.4V
COOLAN TEMP/S I Engine: After warming up More than 70°C (158°F)
HO2S1 (B1)
HO2S1 (B2)
I Engine: After warming up
Maintaining engine speed at 2,000
rpm
0 - 0.3V +, Approx. 0.6 -
1.0V
HO2S1 MNTR (B1)
HO2S1 MNTR (B2)
LEAN +, RICH
Changes more than 5 times
during 10 seconds.
HO2S2 (B1)
HO2S2 (B2)
I Engine: After warming up
Maintaining engine speed at 2,000
rpm
0 - 0.3V +, Approx. 0.6 -
1.0V
HO2S2 MNTR (B1)
HO2S2 MNTR (B2)
LEAN +, RICH
VHCL SPEED SE
I Turn drive wheels and compare speedometer indication with the CON-
SULT-II value
Almost the same speed as the
CONSULT-II value
BATTERY VOLT I Ignition switch: ON (Engine stopped) 11 - 14V
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Symptom Matrix Chart (Cont’d)
EC-135
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