HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Basic Diagnostic Procedure
PROCEDURE
NOTE:
When the sunload sensor check is performed indoors or in the shade, it could be diagnosed as sensor having an open circuit. Always perform the inspection in direct sunlight.
| STEP | CHECK | YES | NO |
1.START INSPECTIONS.
1) Prepare the tools. General Description > PREPARATION TOOL">
2) Perform the pre-inspection. General Description > INSPECTION">
Is any malfunction found in pre-inspection?
Fix the malfunction found in pre-inspection, and go to the next inspection step. Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.
Basic Diagnostic Procedure > PROCEDURE">Go to Step 2.
2.CHECK DTC.
1) Under the failure condition, leave the vehicle for one minute or more.
2) Read the DTC using Subaru Select Monitor. Read Diagnostic Trouble Code (DTC)">
NOTE:
• If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Diagnostic Procedure for Subaru Select Monitor Communication > COMMUNICATION FOR INITIALIZING IMPOSSIBLE">
• Record the time stamp and the freeze frame data recorded together with the DTC. For time stamp, refer to “LAN SYSTEM”. General Description > CAUTION">
Is DTC displayed?
List of Diagnostic Trouble Code (DTC) > LIST">
Refer to Diagnostics with Phenomenon. Diagnostics with Phenomenon > INSPECTION">
Operation
Clear memory mode OperationDtc c2121 transmitter 1 no data
TIRE PRESSURE MONITORING SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2121 TRANSMITTER 1 NO DATANOTE:Refer to DTC C2124 for diagnostic procedure. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2124 TRANSMITTER 4 NO DATA"> ...
Brake system warning light
In the Subaru Ascent, the brake system warning light illuminates when the parking
brake is engaged while the ignition switch is in the "ON" position. This is a normal
operational indication. Once the parking brake is fully released, the light should
turn off immediately, confirming t ...
Dtc p2102 throttle actuator "a" control motor circuit low
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P2102 THROTTLE ACTUATOR "A" CONTROL MOTOR CIRCUIT LOWDTC DETECTING CONDITION:Immediately at fault recognitionTROUBLE SYMPTOM:• Improper idling• Poor driving performance• Engine stal ...