FUEL INJECTION (FUEL SYSTEMS)(H4DO) > General Description
PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

18471AA000
FUEL PIPE ADAPTER
Used for draining fuel.

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SUBARU SELECT MONITOR 4
Used for setting of each function and troubleshooting for electrical system.
NOTE:
For detailed operation procedures of Subaru Select Monitor 4, refer to “Application help”.
2. GENERAL TOOL
TOOL NAME | REMARKS |
Circuit tester | Used for measuring resistance, voltage and current. |
Oscilloscope | Used for inspecting the waveform of each sensor. |
Mighty Vac | Used for inspecting the manifold absolute pressure sensor. |
DST-i | Used together with Subaru Select Monitor 4. |
Component
Intake manifoldReverse Automatic Braking (RAB) system
The Reverse Automatic Braking (RAB) system in the Subaru Ascent is an advanced
safety feature developed to help minimize the risk of collisions when reversing.
By continuously monitoring the area behind the vehicle, the Subaru Ascent can detect
obstacles such as walls or stationary objects and ...
Installation
FRONT SUSPENSION > Front StrutINSTALLATION1. Install the strut mount - front at the upper side of the strut to the body, and tighten it with new flange nuts.Tightening torque:20 N·m (2.04 kgf-m, 14.8 ft-lb)2. Align alignment marks on the camber adjusting bolt and strut.Using new self-locki ...
Dtc b2271 ign relay control circuit
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B2271 IGN RELAY CONTROL CIRCUITDTC detecting condition:• When malfunction is detected in IG1 and IG2 drive circuits in the keyless access CM.• When malfunction is de ...