Система Ecd - Таблица Признаков Неисправностей

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

СИСТЕМА ECD - ТАБЛИЦА ПРИЗНАКОВ НЕИСПРАВНОСТЕЙ

УКАЗАНИЕ:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table.

Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

ECD System
Symptom	Suspected Area	See page
Engine does not crank (does not start)	Starter
	Starter relay
	Starter signal circuit
No initial combustion (does not start)	ECM power source circuit
	Pre-heating control circuit
	Compression
	ECM
	Fuel injection pump
Difficult to start (cold engine)	Pre-heating control circuit
	Starter signal circuit
	Engine coolant temperature sensor
	Fuel injection nozzle
	Fuel filter element assembly (level warning switch)
	Diesel throttle body
	ECM
	Fuel injection pump
Difficult to start (hot engine)	Starter signal circuit
	Fuel injection nozzle
	Fuel filter element assembly (level warning switch)
	Diesel throttle body
	ECM
	Fuel injection pump
Engine stall (soon after starting)	Fuel filter element assembly (level warning switch)
	Diesel throttle body
	ECM
	Fuel injection pump
Engine stall (other)	ECM power source circuit
	Diesel throttle body
	ECM
	Fuel injection pump
Incorrect first idle (poor idling)	Engine coolant temperature sensor
	Fuel filter element assembly (level warning switch)
	ECM
	Fuel injection pump
High engine idle speed (poor idling)	Air conditioning signal circuit
	Engine coolant temperature sensor
	ECM
	Fuel injection pump
Low engine idle speed (poor idling)	Air conditioning signal circuit
	Fuel injection nozzle
	Engine coolant temperature sensor
	Diesel throttle body
	Compression
	Valve clearance
	Fuel line (air bleed)
	ECM
	Fuel injection pump
Rough idling (poor idling)	Fuel injection nozzle
	Fuel line (air bleed)
	Pre-heating control circuit
	Diesel throttle body
	Compression
	Valve clearance
	ECM
	Fuel injection pump
Hunting when engine is hot (poor idling)	Fuel injection nozzle
	ECM power source circuit
	Compression
	Fuel line (air bleed)
	Valve clearance
	ECM
	Fuel injection pump
Hunting when engine is cold (poor idling)	Pre-heating control circuit
	Fuel injection nozzle
	ECM power source circuit
	Engine coolant temperature sensor
	Compression
	Fuel line (air bleed)
	Valve clearance
	ECM
	Fuel injection pump
Hesitation/Poor acceleration (poor driveability)	Fuel injection nozzle
	Fuel filter element assembly (level warning switch)
	Compression
	ECM
	Fuel injection pump
Knocking (poor driveability)	Fuel injection nozzle
	Engine coolant temperature sensor
	ECM
Black smoke (poor driveability)	Fuel injection nozzle
	Diesel throttle body
	Intake air temperature sensor
	ECM
	Fuel injection pump
White smoke (poor driveability)	Pre-heating control circuit
	Fuel injection nozzle
	Fuel filter element assembly (level warning switch)
	Diesel throttle body
	Engine coolant temperature sensor
	Intake air temperature sensor
	ECM
	Fuel injection pump
Surging/Hunting (poor driveability)	Fuel injection nozzle
	ECM
	Fuel injection pump

Система Ecd - Основная Проверка

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

CHECK BATTERY VOLTAGE

CHECK IF ENGINE WILL CRANK

CHECK AIR FILTER

CHECK FUEL QUALITY

CHECK FUEL FOR AIR

CHECK FUEL PIPES AND HOSES

CHECK FUEL FILTER FOR BLOCKAGE

CHECK ENGINE OIL

CHECK ENGINE COOLANT

CHECK IDLING SPEED AND MAXIMUM SPEED

CHECK DIAGNOSTIC CIRCUIT

CHECK VACUUM PUMP

СИСТЕМА ECD - ОСНОВНАЯ ПРОВЕРКА

УКАЗАНИЕ:

When a malfunction is not confirmed by the DTC (Diagnostic Trouble Code) check, troubleshooting should be carried out in all circuits considered to be possible causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location of the problem can be found quickly and efficiently. Therefore, using this check is essential when troubleshooting the engine.

1.CHECK BATTERY VOLTAGE

ПРИМЕЧАНИЕ:

Carry out this check with the engine stopped and ignition switch OFF.

Standard voltage:
OK NG
11 V or more Less than 11 V

NG.

CHARGE OR REPLACE BATTERY

OK

2.CHECK IF ENGINE WILL CRANK

NG.

PROCEED TO PROBLEM SYMPTOMS TABLE

OK

3.CHECK AIR FILTER

Visually check that the air filter is not excessively contaminated with dirt or oil.

NG.

CLEAN OR REPLACE

OK

4.CHECK FUEL QUALITY

Check that only diesel fuel has been used.

Check that the fuel does not contain any impurities.

NG .

REPLACE FUEL

OK

5.CHECK FUEL FOR AIR

NG.

BLEED AIR FROM FUEL

OK

6.CHECK FUEL PIPES AND HOSES

Check that the fuel pipes and fuel hoses are not blocked, damaged, disconnected and bent.

NG.

REPAIR OR REPLACE

OK

7.CHECK FUEL FILTER FOR BLOCKAGE

NG.

REPAIR OR REPLACE

OK

8.CHECK ENGINE OIL

NG.

ADD OR REPLACE ENGINE OIL

OK

9.CHECK ENGINE COOLANT

NG.

ADD OR REPLACE ENGINE COOLANT

OK

10.CHECK IDLING SPEED AND MAXIMUM SPEED

NG.

REPAIR OR REPLACE INJECTION PUMP

OK

11.CHECK DIAGNOSTIC CIRCUIT

NG.

REPAIR OR REPLACE

OK

12.CHECK VACUUM PUMP

NG.

REPAIR OR REPLACE VACUUM PUMP

OK

PROCEED TO PROBLEM SYMPTOMS TABLE

Система Ecd - Проверьте, Нет Ли Эпизодических Неисправностей

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

СИСТЕМА ECD - ПРОВЕРЬТЕ, НЕТ ЛИ ЭПИЗОДИЧЕСКИХ НЕИСПРАВНОСТЕЙ

УКАЗАНИЕ:

Intelligent tester only:

Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with an intelligent tester when the ECM is in check mode. In check mode, the ECM uses 1-trip detection logic, which is more sensitive to malfunctions than normal mode (default). Normal mode uses 2-trip detection logic.

Clear the DTC(s) (see page ).

Switch the ECM from normal mode to check mode using the intelligent tester (see page ).

Perform a simulation test (see page ).

Check and wiggle the harness(es), connector(s) and terminal(s) (see page ).

Система Ecd - Процедура Поиска Неисправностей

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

VEHICLE BROUGHT TO WORKSHOP

CUSTOMER PROBLEM ANALYSIS

CONNECT INTELLIGENT TESTER TO DLC3*

CHECK DTC AND FREEZE FRAME DATA*

CLEAR DTC AND FREEZE FRAME DATA*

CONDUCT VISUAL INSPECTION

SET CHECK MODE DIAGNOSIS*

CONFIRM PROBLEM SYMPTOMS

SIMULATE SYMPTOMS

CHECK FOR DTC*

REFER TO DTC CHART

CONDUCT BASIC INSPECTION

REFER TO PROBLEM SYMPTOMS TABLE

CHECK ECM POWER SOURCE CIRCUIT

CONDUCT CIRCUIT INSPECTION

CHECK FOR INTERMITTENT PROBLEMS

CONDUCT PARTS INSPECTION

IDENTIFY PROBLEM

ADJUST AND/OR REPAIR

CONDUCT CONFIRMATION TEST

СИСТЕМА ECD - ПРОЦЕДУРА ПОИСКА НЕИСПРАВНОСТЕЙ

*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP

NEXT

2.CUSTOMER PROBLEM ANALYSIS

NEXT

3.CONNECT INTELLIGENT TESTER TO DLC3*

УКАЗАНИЕ:

If the display indicates a communication fault in the tester, inspect the DLC3.

NEXT

4.CHECK DTC AND FREEZE FRAME DATA*

УКАЗАНИЕ:

Record or print DTCs and freeze frame data, if necessary.

NEXT

5.CLEAR DTC AND FREEZE FRAME DATA*

NEXT

6.CONDUCT VISUAL INSPECTION

NEXT

7.SET CHECK MODE DIAGNOSIS*

NEXT

8.CONFIRM PROBLEM SYMPTOMS

УКАЗАНИЕ:

If the engine does not start, first perform the "Check DTC" procedures and "Conduct Basic Inspection" procedures below.

Result
Result	Proceed to
Malfunction does not occur	A
Malfunction occurs	B

GO TO STEP 10

A

9.SIMULATE SYMPTOMS

NEXT

10.CHECK FOR DTC*

Result
Result	Proceed to
DTC output	A
No DTC output	B

B .

GO TO STEP 12

A

11.REFER TO DTC CHART

NEXT

GO TO STEP 14

12.CONDUCT BASIC INSPECTION

Result
Result	Proceed to
Malfunctioning parts not confirmed	A
Malfunctioning parts confirmed	B

GO TO STEP 17

A

13.REFER TO PROBLEM SYMPTOMS TABLE

Result
Result	Proceed to
Malfunctioning circuit confirmed	A
Malfunctioning parts confirmed	B

GO TO STEP 17

A

14.CHECK ECM POWER SOURCE CIRCUIT

NEXT

15. CONDUCT CIRCUIT INSPECTION

Result
Result	Proceed to
Malfunction not confirmed	A
Malfunction confirmed	B

GO TO STEP 18

A

16.CHECK FOR INTERMITTENT PROBLEMS

NEXT

GO TO STEP 18

17.CONDUCT PARTS INSPECTION

NEXT

18.IDENTIFY PROBLEM

NEXT

19.ADJUST AND/OR REPAIR

NEXT

20.CONDUCT CONFIRMATION TEST

NEXT

END

Система Ecd - Схема Системы

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

СИСТЕМА ECD - СХЕМА СИСТЕМЫ

Система Ecd - Схема Системы. СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E. Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150

Система Ecd - Расположение Деталей

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

СИСТЕМА ECD - РАСПОЛОЖЕНИЕ ДЕТАЛЕЙ

Система Ecd - Расположение Деталей. СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E. Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150

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Система Ecd - Расположение Деталей. СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E. Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150

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Система Ecd - Расположение Деталей. СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E. Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150

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Система Ecd - Меры Предосторожности

Land Cruiser Prado GRJ150 TRJ150 TRJ155 KDJ150 TRJ155 LJ150 - СИСТЕМА УПРАВЛЕНИЯ ДВИГАТЕЛЕМ 5L-E

WHEN USING INTELLIGENT TESTER

WHEN USING BATTERY DURING INSPECTION

СИСТЕМА ECD - МЕРЫ ПРЕДОСТОРОЖНОСТИ

1.WHEN USING INTELLIGENT TESTER

ПРЕДОСТЕРЕЖЕНИЕ:

Observe the following items for safety reasons:

Read the tester's instructions prior to use.

Make sure that the tester cable is not caught on the pedals, shift lever or steering wheel when driving with the tester connected to the vehicle.

When driving the vehicle with the tester connected, make sure 2 people are present. One person should drive the vehicle and the other should operate the tester.

2.WHEN USING BATTERY DURING INSPECTION

While using the battery during inspections, do not bring the positive and negative tester probes too close to each other as a short circuit may occur.