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Home >> Subaru >> 1996 >> Impreza Outback F4-2.2L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Warning Light Remains ON
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Warning Light Remains ON

TROUBLE CODE (NONE: B)
- TROUBLE IN WARNING LIGHT DRIVE CIRCUIT-

DIAGNOSIS:
- Faulty harness
- Faulty A.B.S. control module





TROUBLE SYMPTOM:
- Warning light remains on.
- Impossible to read trouble code.





1. CHECK INPUT VOLTAGE TO A.B.S. CONTROL MODULE FROM A.B.S. WARNING LIGHT.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module.
3) Turn ignition switch ON.
4) Measure voltage between A.B.S. control module connector and body.

Connector & terminal / Specified voltage:
(P4) No.29 - Body / 10 - 12 V





2. CHECK POWER SUPPLY TO A.B.S. CONTROL MODULE.
1) Turn ignition switch ON.
2) Measure voltage between A.B.S. control module connector and body.

Connector & terminal / Specified voltage:
(P4) No.1 - Body / 10 - 12 V





3. CHECK A.B.S. CONTROL MODULE GROUND LINE.
1) Measure resistance between ABS. control module and body.

Connector & terminal I Specified resistance:
(P4) No.10 - body / 0 ohms
(P4) No.20 - body / 0 ohms
(P4) No.34 - body / 0 ohms

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