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Home >> Nissan-Datsun >> 2008 >> Sentra Base, Automatic CVT >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Introduction (MR20DE) >> Trouble Diagnosis >> CONSULT-III Reference Value in Data Monitor
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CONSULT-III Reference Value in Data Monitor

Remarks:

MONITOR ITEM CONDITION CHART

MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED
  • Run engine and compare CONSULT-III value with the tachometer indication.
Almost the same speed as the tachometer indication.
MAS A/F SE-B1 See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
B/FUEL SCHDL See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
A/F ALPHA-B1 See "TROUBLE DIAGNOSIS - SPECIFICATION VALUE ".
COOLAN TEMP/S
  • Engine: After warming up
More than 70°C (158°F)
A/F SEN1 (B1)
  • Engine: After warming up
Maintaining engine speed at 2, 000 RPM Fluctuates around 2.2V
HO2S2 (B1)
  • Revving engine from idle to 3, 000 RPM quickly after the following conditions are met
  • Engine: After warming up
  • Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
0 - 0.3V ← → Approx. 0.6 - 1.0V
HO2S2 MNTR (B1) LEAN ← → RICH
VHCL SPEED SE
  • Turn drive wheels and compare CONSULT-III value with the speedometer indication.
Almost the same speed as the speedometer indication.
BATTERY VOLT
  • Ignition switch: ON (Engine stopped)
11 - 14V
ACCEL SEN 1
ACCEL SEN 2(1)
  • Ignition switch: ON (Engine stopped)
Accelerator pedal: Fully released 0.6 - 0.9V
Accelerator pedal: Fully depressed 4.0 - 4.8V
EVAP SYS PRES
  • Ignition switch: ON
Approx. 1.8 - 4.8V
THRTL SEN 1
THRTL SEN 2(1)
  • Ignition switch: ON (Engine stopped)
  • Shift lever: D (CVT), 1st (M/T)
Accelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
START SIGNAL
  • Ignition switch: ON --> START --> ON
OFF --> ON --> OFF
CLSD THL POS
  • Ignition switch: ON
Accelerator pedal: Fully released ON
Accelerator pedal: Slightly depressed OFF
AIR COND SIG
  • Engine: After warming up, idle the engine
Air conditioner switch: OFF OFF
Air conditioner switch: ON (Compressor operates.) ON
P/N POSI SW
  • Ignition switch: ON
Shift lever: P or N (CVT), Neutral (M/T) ON
Shift lever: Except above OFF
PW/ST SIGNAL
  • Engine: After warming up, idle the engine
Steering wheel: Not being turned OFF
Steering wheel: Being turned ON
LOAD SIGNAL
  • Ignition switch: ON
Rear window defogger switch: ON and/or Lighting switch: 2nd ON
Rear window defogger switch and lighting switch: OFF OFF
IGNITION SW
  • Ignition switch: ON --> OFF --> ON
ON --> OFF --> ON
HEATER FAN SW
  • Ignition switch: ON
Heater fan: Operating ON
Heater fan: Not operating OFF
BRAKE SW
  • Ignition switch: ON
Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
INJ PULSE-B1
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle 2.0 - 3.0 msec
2, 000 RPM 1.9 - 2.9 msec
IGN TIMING
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle 1° - 11° BTDC
2, 000 RPM 25° - 45° BTDC
CAL/LD VALUE
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle 10% - 35%
2, 500 RPM 10% - 35%
MASS AIRFLOW
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle 1.0 - 4.0 g.m/s
2, 500 RPM 2.0 - 10.0 g.m/s
PURG VOL C/V
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle (Accelerator pedal is not depressed even slightly, after engine starting) 0%
2, 000 RPM 0 - 50%
INT/V TIM (B1)
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle -5° - 5°CA
When revving engine up to 2, 000 RPM quickly Approx. 0° - 40°CA
INT/V SOL (B1)
  • Engine: After warming up
  • Air conditioner switch: OFF
  • Shift lever: P or N (CVT), Neutral (M/T)
  • No load
Idle 0% - 2%
When revving engine up to 2, 000 RPM quickly Approx. 0% - 90%
AIR COND RLY
  • Engine: After warming up, idle the engine
Air conditioner switch: OFF OFF
Air conditioner switch: ON (Compressor operates) ON
FUEL PUMP RLY
  • For 1 second after turning ignition switch ON
  • Engine running or cranking
ON
  • Except above conditions
OFF
VENT CONT/V
  • Ignition switch: ON
OFF
THRTL RELAY
  • Ignition switch: ON
ON
COOLING FAN
  • Engine: After warming up, idle the engine
  • Air conditioner switch: OFF
Engine coolant temperature: 94°C (201°F) or less OFF
Engine coolant temperature: Between 98°C (208°F) and 99°C (210°F) LOW
Engine coolant temperature: Between 100°C (212°F) and 104°C (219°F) MIDDLE
Engine coolant temperature: 105°C (221°F) or more HIGH
HO2S2 HTR (B1)
  • Below 3, 600 RPM after the following conditions are met.
  • Engine: After warming up
  • Keeping the engine speed between 3, 500 and 4, 000 RPM for 1 minute and at idle for 1 minute under no load
ON
  • Engine speed: Above 3, 600 RPM
OFF
I/P PULLY SPD
  • Vehicle speed: More than 20 km/h (12 MPH)
Almost the same speed as the tachometer indication
VEHICLE SPEED
  • Turn drive wheels and compare CONSULT-III value with the speedometer indication.
Almost the same speed as the speedometer indication
TRVL AFTER MIL
  • Ignition switch: ON
Vehicle has traveled after MIL has turned ON. 0 - 65, 535 km (0 - 40, 723 mile)
A/F S1 HTR (B1)
  • Engine: After warming up, idle the engine (More than 140 seconds after starting engine)
4 - 100%
AC PRESS SEN
  • Engine: Idle
  • Air conditioner switch: ON (Compressor operates)
1.0 - 4.0V
VHCL SPEED SE
  • Turn drive wheels and compare speedometer indication with the CONSULT-III value.
Almost the same speed as the speedometer indication
SET VHCL SPD
  • Engine: Running
ASCD: Operating The preset vehicle speed is displayed.
MAIN SW
  • Ignition switch: ON
MAIN switch: Pressed ON
MAIN switch: Released OFF
CANCEL SW
  • Ignition switch: ON
CANCEL switch: Pressed ON
CANCEL switch: Released OFF
RESUME/ACC SW
  • Ignition switch: ON
RESUME/ACCELERATE switch: Pressed ON
RESUME/ACCELERATE switch: Released OFF
SET SW
  • Ignition switch: ON
SET/COAST switch: Pressed ON
SET/COAST switch: Released OFF
BRAKE SW1
  • Ignition switch: ON
  • Brake pedal: Fully released (CVT)
  • Brake pedal and clutch pedal: Fully released (M/T)
ON
  • Brake pedal: Slightly depressed (CVT)
  • Brake pedal and/or clutch pedal: Slightly depressed (M/T)
OFF
BRAKE SW2
  • Ignition switch: ON
Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
CRUISE LAMP
  • Ignition switch: ON
MAIN switch: Pressed at the 1st time --> at the 2nd time ON --> OFF
SET LAMP
  • MAIN switch: ON
  • Vehicle speed: Between 40 km/h (25 MPH) and 144 km/h (89 MPH)
ACSD: Operating ON
ASCD: Not operating OFF
(1) Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are converted by ECM internally. Thus, they differ from ECM terminals voltage signal.