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Saturday, December 18, 2010

How CRDI Engine & Code P0182 Works?

How CRDI Engine & Code P0182 Works?

 

2011  D 2.0 CRDI  Engine  Engine Control

How CRDI Engine & Code P0182 Works?

 

P0182 Fuel Temp Sensor A Circuit Low Input

 

 

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Study Guide and Component Location

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Study Guide and General Description

Study Fuel Temperature Sensor is NTC thermistor installed in fuel supplying line. It Study senses the temperature of fuel supplied to high pressure pump. Study Fuel temperature is limited (engine power is limited) to keep fuel temperature from reaching at 120°C. This Study limit is to protect fuel line such as high pressure pump and injectors from damages due to rapid deterioration by vapor-lock phenomenon which can occur at high temperature or destruction of oil membrane.

Study Guide and DTC Description

P0182 is set when the voltage below 0.053V - minimum voltage of FTS output - is detected for more than 2.0 sec.. This code is due to short to ground in FTS signal circuit.

Study Guide and DTC Detecting Condition

Item

Detecting Condition

Possible Cause

Study

DTC Strategy

 

Voltage monitoring

FTS circuit

FTS component

Study

Enable Conditions

IG KEY "ON"

Study

Threshold Value

When output signal is below the minimum value.(below 0.053V)

 

Study Diagnostic Time

2.0 sec.

Fail Safe

Fuel cut

NO

Fuel temp. fixed at 85°C

EGR Off

NO

Fuel Limit

NO

MIL

OFF

Specification

Tmeaueeprtr

-3°C 0

-2°C 0

-0-0

00

2°C0

Resistance

22.22~31.78kΩ

13.24~18.10kΩ

8.16~10.74kΩ

5.18~6.60kΩ

2.27~2.73kΩ

Temperature

40°C

50°C

60°C

70°C

 

Resistance

1.059~1.281kΩ

0.748~0.904kΩ

0.538~0.650kΩ

0.392~0.476kΩ

 

Diagnostic Circuit Diagram

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