LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls - Engine (Diagnostics) (H4SO)) >> Activation Of Malfunction Indicator Light >> Malfunction Indicator Light Remains Blinking.

Malfunction Indicator Light Remains Blinking.

WARNING: This page is about a different variant/trim than selected.

DIAGNOSIS: 

Test mode connector circuit is shorted.

TROUBLE SYMPTOM: 

Malfunction indicator light blinks when test mode connector is not connected.

WIRING DIAGRAM: 

Fig 1: Malfunction Indicator Light Circuit (Shorted)
G03828435Courtesy of SUBARU OF AMERICA, INC.
TROUBLE SYMPTOM - MALFUNCTION INDICATOR LIGHT REMAINS BLINKING DIAGNOSIS

Step Check Yes No
1. CHECK TEST MODE CONNECTOR. 
  1. Disconnect the test mode connectors.
  2. Turn the ignition switch to ON.
 Does the malfunction indicator light blink? Go to step 2.  System is in good order.
NOTE: Malfunction indicator light blinks when test mode connector is connected.
2. CHECK HARNESS BETWEEN ECM CONNECTOR AND CHASSIS GROUNDING TERMINAL. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from ECM.
  3. Measure the resistance of harness between ECM connector and chassis ground.

    Connector & terminal 

    (B137) No. 14 - Chassis ground: 

 Is the resistance less than 5 Ω? Repair the short circuit in harness between ECM and test mode connector. Replace the ECM. < Ref. to ENGINE CONTROL MODULE (ECM) . >
scientia non olet · About LEMON Manuals