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Fuel Pressure Regulator
NHEC0408
Fuel pressure at idling kPa (kg/cm
2
, psi)
Vacuum hose is connected. Approximately 235 (2.4, 34)
Vacuum hose is disconnected. Approximately 294 (3.0, 43)
Idle Speed and Ignition Timing
NHEC0409
Target idle speed*1 No-load*2 (in “P” or N” position) 700±50 rpm
Air conditioner: ON In “P” or N” position 825 rpm or more
Ignition timing*1 In “P” or N” position 15°±5° BTDC
Throttle position sensor idle position 0.15 - 0.85V
*1: Throttle position sensor harness connector connected
*2: Under the following conditions:
I Air conditioner switch: OFF
I Electric load: OFF (Lights, heater fan & rear window defogger)
I Steering wheel: Kept in straight-ahead position
Mass Air Flow Sensor
NHEC0411
Supply voltage Battery voltage (11 - 14V)
Output voltage at idle 1.2 - 1.8*V
Mass air flow (Using CONSULT-II or GST)
2.0 - 6.0 g·m/sec at idle*
7.0 - 20.0 g·m/sec at 2,500 rpm*
*: Engine is warmed up to normal operating temperature and running under no-load.
Engine Coolant Temperature Sensor
NHEC0412
Temperature °C (°F) Resistance kΩ
20 (68) 2.1 - 2.9
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
Heated Oxygen Sensor 1 Heater (Front)
NHEC0414
Resistance [at 25°C (77°F)] 2.3 - 4.3Ω
Fuel Pump
NHEC0415
Resistance [at 25°C (77°F)] 0.2 - 5.0Ω
IACV-AAC Valve
NHEC0416
Resistance [at 20°C (68°F)] Approximately 22Ω
Injector
NHEC0417
Resistance [at 20°C (68°F)] 13.5 - 17.5Ω
Resistor
NHEC0418
Resistance [at 25°C (77°F)] Approximately 2.2 kΩ
SERVICE DATA AND SPECIFICATIONS (SDS)
Fuel Pressure Regulator
EC-644
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