СИСТЕМА ECD ТАБЛИЦА ПРИЗНАКОВ НЕИСПРАВНОСТЕЙ

When the malfunction is not confirmed in the DTC (Diagnostic Trouble Code) check and the problem still cannot be confirmed in the basic inspection, use this table and troubleshoot according to the priority order given below.

ECD SYSTEM
Symptom Suspected Area See page
Engine does not crank (Does not start) Starter assembly (for 2.2 kW Type)

Click here

Starter assembly (for 2.7 kW Type)

Click here

Starter relay (for 2.2 kW Type)

Click here

Starter relay (for 2.7 kW Type)

Click here

Starter signal circuit

Click here

Battery -
No initial combustion (Does not start) ECM power source circuit

Click here

Pre-heating control circuit

Click here

Compression

Click here

ECM

Click here

Injection or supply pump assembly

Click here

VC Output Circuit

Click here

Cold engine (Difficult to start) Pre-heating control circuit

Click here

Starter signal circuit

Click here

Engine coolant temperature sensor

Click here

Nozzle holder and nozzle set

Click here

Fuel filter element sub-assembly

Click here

Venturi assembly

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Hot engine (Difficult to start) Starter signal circuit

Click here

Nozzle holder and nozzle set

Click here

Fuel filter element sub-assembly

Click here

Venturi assembly

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Engine stall (Soon after starting) Fuel filter element sub-assembly

Click here

Venturi assembly

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Engine stall (Other) ECM power source circuit

Click here

Venturi assembly

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Incorrect first idle (Poor idling) Engine coolant temperature sensor

Click here

Fuel filter element sub-assembly

Click here

ECM

Click here

Injection or supply pump assembly

Click here

High engine idle speed (Poor idling) Air conditioning signal circuit

Click here

Engine coolant temperature sensor

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Low engine idle speed (Poor idling) Air conditioning signal circuit

Click here

Nozzle holder and nozzle set

Click here

Engine coolant temperature sensor

Click here

Venturi assembly

Click here

Compression

Click here

Valve clearance

Click here

Fuel line (Air bleed) -
ECM

Click here

Injection or supply pump assembly

Click here

Rough idling (Poor idling) Nozzle holder and nozzle set

Click here

Fuel line (Air bleed) -
Pre-heating control circuit

Click here

Venturi assembly

Click here

Compression

Click here

Valve clearance

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Hunting at hot engine (Poor idling) Nozzle holder and nozzle set

Click here

ECM power source circuit

Click here

Compression

Click here

Fuel line (Air bleed) -
Valve clearance

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Hunting at cold engine (Poor idling) Pre-heating control circuit

Click here

Nozzle holder and nozzle set

Click here

ECM power source circuit

Click here

Engine coolant temperature sensor

Click here

Compression

Click here

Fuel line (Air bleed) -
Valve clearance

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Hesitation/Poor acceleration (Poor driveability) Nozzle holder and nozzle set

Click here

Fuel filter element sub-assembly

Click here

Compression

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Brake override system

Click here

Knocking (Poor driveability) Nozzle holder and nozzle set

Click here

Engine coolant temperature sensor

Click here

ECM

Click here

Black smoke (Poor driveability) Nozzle holder and nozzle set

Click here

Venturi assembly

Click here

Intake air temperature sensor

Click here

ECM

Click here

Injection or supply pump assembly

Click here

White smoke (Poor driveability) Pre-heating control circuit

Click here

Nozzle holder and nozzle set

Click here

Fuel filter element sub-assembly

Click here

Venturi assembly

Click here

Engine coolant temperature sensor

Click here

Intake air temperature sensor

Click here

ECM

Click here

Injection or supply pump assembly

Click here

Surging/Hunting (Poor driveability) Nozzle holder and nozzle set

Click here

ECM

Click here

Injection or supply pump assembly

Click here