Subaru Crosstrek Service Manual: General diagnostic table Inspection
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > General Diagnostic Table
INSPECTION
1. IMMOBILIZER SYSTEM
Symptoms | Note |
Engine does not start | Diagnostics with Phenomenon > INSPECTION"> |
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2784 ANTENNA CIRCUIT (PUSH ENGINE SWITCH)"> | |
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B278A PUSH ENGINE SWITCH POWER SUPPLY CIRCUIT"> | |
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2785 LIN COMMUNICATION"> | |
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2789 ID CODE BOX COMMUNICATION"> | |
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2790 ID CODE BOX CIRCUIT"> | |
Check the brake switch. Stop Light Switch > INSPECTION"> | |
Check the parking switch signal. AT Shift Lock Solenoid and “P” Range Switch > INSPECTION"> | |
Check the DTC of the ECM. | |
Cannot register the immobilizer. | Refer to the “REGISTRATION MANUAL FOR IMMOBILIZER”. |
Engine does not start with the remote engine starter. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2779 REMOTE CONTROL ENGINE STARTER COLLATION"> |
2. KEYLESS ACCESS SYSTEM
Symptoms | Reference | |
All doors cannot be locked/unlocked with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot lock with keyless access from the driver’s door. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot lock/unlock from the driver’s door with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot unlock from the driver’s door with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot unlock from the passenger’s door with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot lock/unlock from the passenger’s door with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Cannot lock from the passenger’s door with keyless access. | Diagnostics with Phenomenon > INSPECTION"> | |
Keyless access passenger room buzzer does not sound. | Diagnostics with Phenomenon > INSPECTION"> | |
Keyless access external buzzer does not beep. | Diagnostics with Phenomenon > INSPECTION"> | |
Interior collation does not function. | Diagnostics with Phenomenon > INSPECTION"> | |
Rear gate cannot be unlocked with the rear gate opener button. | Diagnostics with Phenomenon > INSPECTION"> | |
Rear gate can not be locked when using the rear lock button. | Diagnostics with Phenomenon > INSPECTION"> | |
3. STEERING LOCK SYSTEM
Symptoms | Index | |
The steering lock cannot be released (cannot start the engine) | Diagnostics with Phenomenon > INSPECTION"> | |
The steering lock does not operate | Diagnostics with Phenomenon > INSPECTION"> | |
4. POWER SUPPLY SWITCHING SYSTEM
Symptoms | Index | |
Power will not turn ON (both accessory and ignition) | Diagnostics with Phenomenon > INSPECTION"> | |
Power will not turn ON (accessory only) | Diagnostics with Phenomenon > INSPECTION"> | |
Power will not turn ON (ignition only) | Diagnostics with Phenomenon > INSPECTION"> | |
Electrical component location Location
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Electrical Component LocationLOCATION(1)Keyless access CM(8)Push button ignition switch(15)Rear interior antenna(2)Mechanical key(9)Stee ...
Keyless access system check Operation
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Keyless Access System CheckOPERATION1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target ...
Other materials:
Dtc u0073 control module communication bus off
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDTC DETECTING CONDITION:Integrated unit communication is shut down because of high speed CAN error.TROUBLE SYMPTOM:CAN communication is not normal.STEPCHECKYESNO1.CHECK ...
Inspection
LIGHTING SYSTEM > Light Control SensorINSPECTION1. Turn the ignition switch to ON.2. Set the lighting switch to AUTO position.3. Check the voltage between the sensor terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandardConnection diagram2 (+) — 1 (−)Measure th ...
Warning chimes and warning indicator of he keyless access with push-button start
system
Access key warning indicator
In the Subaru Ascent, the keyless access with push-button start system is designed
to enhance both convenience and security. The system emits warning chimes and activates
the access key warning indicator on the combination meter to alert the driver of
incorrec ...
