Vehicle Dynamics Control (Vdc) (Diagnostics) (Except Sti): Overview Subaru Impreza GH

OPERATION

1. On «Main Menu» display, select {Each System Check}.
2. On «System Selection Menu» display, select {Brake Control System}.
3. Click the [OK] button after {VDC} is displayed.
4. On «Brake Control Diagnosis» display, select {Diagnostic Code(s) Display}.
5. Record the DTC and data.

Note. For detailed operation procedures, refer to "PC application help for Subaru Select Monitor". For details concerning DTCs, refer to "List of Diagnostic Trouble Code (DTC)". Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Up to 3 DTCs are displayed in the order of detection. If a particular DTC is not stored in memory properly at the occurrence of problem (due to a drop in VDCCM&H/U power supply etc.), the DTC suffixed with a question mark "?" is displayed on Subaru Select Monitor display screen. This shows it may be an unreliable reading.

DTC CHART

1. On «Main Menu» display, select {Each System Check}.
2. On «System Selection Menu» display, select {Brake Control System}.
3. Click the [OK] button after {VDC} is displayed.
4. On «Brake Control Diagnosis» display, select {Clearing Memory}.
5. When the "Clear Memory?" is shown on the screen, click the [YES] button.
6. When "Done" and "Turn off the ignition switch." are shown on the display screen, turn the ignition switch to OFF.

Note. For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".

Scheme 107

1. When warning lights or indicator lights do not illuminate in accordance with this illumination pattern, there must be an electrical malfunction.
2. When warning lights or indicator lights remain constantly OFF, check the combination meter circuit or CAN communication circuit. Ref. to «VDC WARNING LIGHT, VDC OFF INDICATOR LIGHT AND VDC INDICATOR LIGHT DO NOT COME ON»(ref-357276-S21048278452010031100000) , Warning Light Illumination Pattern . Ref. to «ABS WARNING LIGHT DOES NOT COME ON»(ref-357276-S07466135112010031100000) , Warning Light Illumination Pattern . Ref. to «HILL START ASSIST WARNING LIGHT DOES NOT COME ON»(ref-357276-S39112314302010031100000) , Warning Light Illumination Pattern .
3. When ABS warning light and hill start assist warning light do not go off, check the combination meter circuit. Ref. to «ABS WARNING LIGHT DOES NOT GO OFF»(ref-357276-S00630602032010031100000) , Warning Light Illumination Pattern .
4. When the VDC indicator light, VDC warning light and VDC OFF indicator light do not go off, check the combination meter circuit or CAN communication circuit. Ref. to «VDC INDICATOR LIGHT DOES NOT GO OFF»(ref-357276-S05348638122010031100000) , Warning Light Illumination Pattern . Ref. to «VDC WARNING LIGHT AND VDC OFF INDICATOR LIGHT DO NOT GO OFF»(ref-357276-S21545267682010031100000) , Warning Light Illumination Pattern .

Note. Even though the ABS warning light does not go off after 2 seconds from ABS warning light illumination, the ABS system operates normally when the warning light goes off while driving at approximately 12 km/h (7 MPH). However, the ABS system does not work while the ABS warning light is illuminated. It may take several minutes before VDC warning light and VDC OFF indicator light goes off if the vehicle is parked under low temperature for a specified time. This is not defective because it is resulted from low engine coolant temperature. With the vehicle jack-up/lift-up or set on free rollers, when the wheels lock or spin after starting the engine, ABS warning light, VDC warning light and VDC OFF indicator light may illuminate because VDCCM&H/U detects the abnormal conditions from ABS wheel speed sensors. In this case, this is not a malfunction. Perform the Clear Memory Mode.