POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > General Description
PREPARATION TOOL
1. SPECIAL TOOL
ILLUSTRATION | TOOL NUMBER | DESCRIPTION | REMARKS |

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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”.

34199AG100
SPECIAL TOOL HARNESS
Used for troubleshooting the electrical system.
2. GENERAL TOOL
TOOL NAME | REMARKS |
Circuit tester | Used for measuring resistance, voltage and current. |
Oscilloscope | Used for measuring the sensor. |
DST-i | Used together with Subaru Select Monitor 4. |
Caution
InspectionInstallation
AIRBAG SYSTEM > Airbag Control ModuleINSTALLATIONCAUTION:Do not reuse the bolt and nut.Always use new bolts and nuts for them.1. Before installation, inspect the following items and replace any faulty part with a new one.• Control module is deformed.• Control module connector is damag ...
Ignition switch (models without "keyless access with push-button start system")
WARNING
Never rotate the ignition switch of your Subaru Ascent to the "LOCK"
position while the vehicle is in motion or being towed, as this will lock the
steering wheel and result in complete loss of steering control. Additionally,
once the engine is turned off, significantly ...
Inspection
CLUTCH SYSTEM > Clutch FluidINSPECTIONCAUTION:Be careful not to spill the brake fluid. Brake fluid spilled on the vehicle body will harm the paint surface; wash it off with water and wipe clean quickly if spilled.1. Park the vehicle on a level surface.2. Check the brake fluid level using the scal ...