Subaru Crosstrek Service Manual: Dtc b2903 vdc data error
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2903 VDC DATA ERROR
DTC DETECTING CONDITION:
Detected when data (vehicle speed signal) from VDC CM is abnormal.
TROUBLE SYMPTOM:
The auto headlight beam leveler does not operate.
NOTE:
Perform the diagnosis for VDC. Basic Diagnostic Procedure > PROCEDURE">
Dtc u0122 lost communication with vehicle dynamics control module
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data (ve ...
Dtc u0140 lost communication with body control module
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULEDetected when CAN data (headlights ON ...
Other materials:
Inspection
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Evaporator SensorINSPECTION1. MANUAL A/C MODELWIRING DIAGRAM:1. Prepare the vehicle.NOTE:Check that the ambient temperature is 25 — 40°C (77 — 104°F) and that the humidity is 30% — 80%.• Place the vehicle in the workshop ...
Installation
FRONT SUSPENSION > Front ArmINSTALLATION1. Before installation, inspect the following items and replace any faulty part with a new one.• Check the front arm assembly for damage or cracks, and replace if defective.• Visually check the bushing for abnormal cracks, fatigue or damage.&bul ...
Power supply circuit Wiring diagram
WIRING SYSTEM > Power Supply CircuitWIRING DIAGRAM1. WITHOUT PUSH BUTTON START• Engine room side• Passenger room sideNo.LoadMB-1VDC CMMB-2VDC CMMB-3Wiper relayMB-4Sub fan relayMB-5Mirror heater LHMirror heater RHRear defoggerA/C control panelMB-6Body integrated unitMB-7Main fan relay ...
