ENGINE (DIAGNOSTICS)(H4DO) > Active Test
OPERATION
CAUTION:
After executing the system operation check mode, execute the Clear Memory Mode. Clear Memory Mode > OPERATION">
NOTE:
• *: After replacing ECM, be sure to perform this procedure.
• For detailed operation procedures, refer to “Application help”.
1. On «Start» display, select «Diagnosis».
2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».
3. On «Main Menu» display, select «Each System».
4. On «Select System» display, select «Engine Control System».
5. On «Select Function» display, select «Active Test».
Active test items | Contents | Execution condition |
Fuel Pump Relay | ON/OFF of the fuel pump can be set. | Ignition switch is ON (engine OFF) |
CPC Solenoid Valve | ON/OFF of the purge control solenoid valve can be set. | |
Radiator Fan Relay | ON/OFF of the radiator fan relay can be set. | |
A/C Compressor Relay | ON/OFF of the A/C relay can be set. | |
ELCM switching valve | ON/OFF of the leak check valve assembly switching valve can be set. | |
ELCM pump | ON/OFF of the leak check valve assembly vacuum pump can be set. | |
Fuel Pump Control (OFF Drive) | Fuel pump can be set to OFF. | At idling |
Fixed Idle Ignition Timing | Idle ignition timing can be set and fixed to 16.0°*1. | At idling |
Idle Speed Control | Idle speed can be set to 500 — 2000 rpm. | At idling |
Injection Stop Mode (Injector 1) Injection Stop Mode (Injector 2) Injection Stop Mode (Injector 3) Injection Stop Mode (Injector 4) | Injector of each cylinder can be set to stop the fuel injection. | At idling |
Injection Quantity Control | The amount of fuel injection can be set to 0 — 20%. | At idling |
EGR Valve Control | EGR control valve can be set to 0 — 255 STEP. | At idling |
Alternator control | Alternator control mode can be set to one of the followings: Low mode Middle mode High mode *2 ExHigh mode | At idling |
*1: Value may change depending on the idle speed.
*2: Control voltages of High mode and ExHigh mode are the same value.
Malfunction indicator light does not blink
Basic diagnostic procedure ProcedureMeters and gauges
NOTE
Some meters and gauges in the Subaru Ascent instrument cluster utilize liquid
crystal displays. If you are wearing polarized sunglasses, visibility of certain
indicators may be reduced.
Speedometer
The Subaru Ascent speedometer provides a clear and precise display of the vehicle’s
cu ...
Inspection
TELEMATICS SYSTEM (DIAGNOSTICS) > General DescriptionINSPECTION1. BASIC INSPECTIONBefore performing the diagnosis, check the following items which may affect the problems relating to the telematics system.1. Check the battery. Battery">2. Check the relay and fuse condition. Relay and Fu ...
Removal
EXTERIOR BODY PANELS > Front FenderREMOVAL1. Disconnect the ground cable from battery. NOTE">2. Remove the bumper face - front. Front Bumper > REMOVAL">3. Remove the light assembly - head. Headlight Assembly > REMOVAL">4. Remove the cover - front fender.(1) Remove ...