POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC C2521 MOTOR MALFUNCTION
Trouble symptom:
• The steering wheel operation feels heavy.
• STEERING warning light illuminates.
Wiring diagram:
Electric power steering system Electric Power Steering System">

| STEP | CHECK | YES | NO |
1.CHECK MOTOR UNIT.
1) Turn the ignition switch to OFF.
2) Disconnect the connector (PS2) from the power steering control module.
3) Use a tester to check for continuity in the motor.
Connector & terminal
(PS2) No. 1 — No. 2:
(PS2) No. 1 — No. 3:
(PS2) No. 2 — No. 3:
Is there continuity?
Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2521 MOTOR MALFUNCTION">Go to Step 2.
Replace the steering gearbox. Electric Power Steering Gearbox">
2.CHECK MOTOR INSULATION.
Use a tester to check for short circuits in the motor.
Connector & terminal
(PS2) No. 1 — Steering gearbox body:
(PS2) No. 2 — Steering gearbox body:
(PS2) No. 3 — Steering gearbox body:
Is the resistance 1 M? or more?
Replace the power steering control module. Power Steering Control Module">
Replace the steering gearbox. Electric Power Steering Gearbox">
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Dtc c2522 resolver sensorTire rotation
Vehicles equipped with 4 non-unidirectional tires
Front
Vehicles equipped with unidirectional tires
Front
Tire wear varies from wheel to wheel.
Move the tires to the positions shown in
the illustration each time they are rotated.
For the tire rotation schedule, refer to ...
Other markings
The following makings are also
placed on the sidewall.
Maximum permissible inflation
pressure
The maximum cold inflation pressure
to which this tire may be
inflated. For example, "300 kPa
(44 PSI) MAX. PRESS"
Maximum load rating
The load rating at the maximum
permissible weight load for th ...
Sonar Audible Alarm function
In the Subaru Ascent, the Reverse Automatic Braking (RAB) system is supported
by an advanced sonar audible alert function designed to enhance driver awareness.
When the system detects a potential obstacle while reversing, it emits warning sounds
in three distinct intensity levels, helping the ...