| FUEL INJECTION |
- Engine: Return to the original non-standard condition
- Change the amount of fuel injection using SDT.
|
If malfunctioning symptom disappears, see CHECK ITEM. |
- Harness and connectors
- Fuel injector
- Air fuel ratio (A/F) sensor 1
|
| IGNITION TIMING |
- Engine: Return to the original non-standard condition
- Timing light: Set
- Retard the ignition timing using SDT.
|
If malfunctioning symptom disappears, see CHECK ITEM. |
- Perform Idle Air Volume Learning.
|
| POWER BALANCE |
- Engine: After warming up, idle the engine.
- A/C switch: OFF
- Shift lever: P or N (A/T), Neutral (M/T)
- Cut off each fuel injector signal one at a time using SDT.
|
Engine runs rough or stops. |
- Harness and connectors
- Compression
- Fuel injector
- Power transistor
- Spark plug
- Ignition coil
|
| COOLING FAN |
- Ignition switch: ON
- Turn the cooling fan HI, LOW and OFF using SDT.
|
Cooling fan moves and stops. |
- Harness and connectors
- Cooling fan motor
- IPDM E/R
|
| ENG COOLANT TEMP |
- Engine: Return to the original non-standard condition
- Change the engine coolant temperature using SDT.
|
If mulfunctioning symptom disappears, see CHECK ITEM. |
- Harness and connectors
- Engine coolant temperature sensor
- Fuel injector
|
| FUEL PUMP RELAY |
- Ignition switch: ON (Engine stopped)
- Turn the fuel pump relay ON and OFF using SDT and listen to operating sound.
|
Fuel pump relay makes the operating sound. |
- Harness and connectors
- Fuel pump relay
|
| VIAS SOL VALVE |
- Ignition switch: ON
- Turn solenoid valve ON and OFF with SDT and listen for operating sound.
|
Solenoid valve makes an operating sound. |
- Harness and connectors
- Solenoid valve
|
| PURG VOL CONT/V |
- Engine: After warming up, run engine at 1, 500 RPM.
- Change the EVAP canister purge volume control solenoid valve opening percent using SDT.
|
Engine speed changes according to the opening percent. |
- Harness and connectors
- Solenoid valve
|
| FUEL/T TEMP SEN |
- Change the fuel tank temperature using SDT.
|
| VENT CONTROL/V |
- Ignition switch: ON (Engine stopped)
- Turn solenoid valve ON and OFF with the SDT and listen to operating sound.
|
Solenoid valve makes an operating sound. |
- Harness and connectors
- Solenoid valve
|
| V/T ASSIGN ANGLE |
- Engine: Return to the original non-standard condition
- Change intake valve timing using SDT.
|
If malfunctioning symptom disappears, see CHECK ITEM. |
- Harness and connectors
- Intake valve timing control solenoid valve
|
| ALTERNATOR DUTY |
- Engine: Idle
- Change duty ratio using SDT.
|
Battery voltage changes. |
- Harness and connectors
- IPDM E/R
- Alternator
|