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2021
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WRX Base
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Repair and Diagnosis
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Different variant/trim
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Section 4 (Engine Control System (Diagnostics) (2.5L) - Introduction)
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Diagnostics for Engine Starting Failure
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Procedure
Diagnostics for Engine Starting Failure: Procedure
WARNING:
This page is about a different variant/trim than selected.
1. Check of the fuel amount
↓
2. CHECK IMMOBILIZER.
Model without push button start. Refer to
IMMOBILIZER (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE
.
Model with push button start. Refer to
KEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE
.
↓
3. Inspection of starter motor circuit. Refer to
ENGINE (DIAGNOSTICS) (STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>STARTER MOTOR CIRCUIT
.
↓
4. Inspection of ECM power supply and ground line. Refer to
ENGINE (DIAGNOSTICS) (STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MODULE (ECM)
.
↓
5. Inspection of ignition control system. Refer to
ENGINE (DIAGNOSTICS) (STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>IGNITION CONTROL SYSTEM
.
↓
6. Inspection of fuel pump circuit. Refer to
ENGINE (DIAGNOSTICS) (STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>FUEL PUMP CIRCUIT
.
↓
7. Inspection of fuel injector circuit. Refer to
ENGINE (DIAGNOSTICS) (STI)>DIAGNOSTICS FOR ENGINE STARTING FAILURE>FUEL INJECTOR CIRCUIT
.