Component Location
General Description

Electronically controlled fuel injector is a solenoid valve which supplies exactly calculated amount of fuel to engine for optimum conbustion under various engine load and speed. To meat air-fuel ratio required in system, PCM regulates fuel injection quantity as controlling injector solenoid operating duration referring air flow to cylinders and output signals from HO2S. For this precise control, quick response of solenoid is required and for perfect combustion, injection characteristic is important.

DTC Description

Checking output signals from injectors under detecting condition, if an output signal is high, PCM sets P0262. MIL(Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

● Signal High

● Poor connection

● Short to battery in harness

● Injector

● PCM

Enable Condition

● Engine running state

● 11V ≤ Battery voltage ≤ 16V

● Above conditions are met >0.5sec.

● No disabling faults present

Threshold Value

● Short to battery

Diagnosis Time

● Continuous

MIL On Condition

● 2 driving cycles

Specification

Item

Coil resistance(Ω)

Injector

13.8 ~ 15.2Ω( at 20°C/ 68°F)

Schematic Diagram
Signal Waveform
Яндекс.Метрика