AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code
DTC B1615 FRONT SUB SENSOR LH FAILURE
DIAGNOSIS START CONDITION:
Ignition voltage is 10 V to 16 V.
DTC DETECTING CONDITION:
Front sub sensor (LH) is faulty.
If DTC B1615 is displayed, the circuit within the front sub sensor (LH) is faulty.
Replace the front sub sensor (LH). Front Sub Sensor">
Dtc b1613 front sub sensor rh initialization error
Dtc b1617 front sub sensor lh lost communicationTrailer Hitches
WARNING
Under no circumstances should you drill into the frame or underbody of your
Subaru Ascent to install an aftermarket or commercial trailer hitch.
Such actions may allow harmful substances such as exhaust gases, water, or
road debris to penetrate the passenger compartment through the c ...
Inspection
FRONT SUSPENSION > Front Ball JointINSPECTION1. Check that there is no looseness by moving the upper and lower portions of front tire in an axial direction with the brake pedal depressed.• Looseness exists > Replace the ball joint assembly. Front Ball Joint > REMOVAL">2. Chec ...
Basic procedures
WIRING SYSTEM > Basic Diagnostic ProcedureBASIC PROCEDURES1. GENERAL DESCRIPTIONThe most important purpose of diagnostics is to quickly determine which part is malfunctioning, to save time and labor.2. IDENTIFICATION OF TROUBLE SYMPTOMDetermine what the problem is based on the symptom.3. PROBABLE ...