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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls (Diagnostics) (H4DOTC) (WRX-STI)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0616 Starter Relay "A" Circuit Low >> Wiring Diagram

DTC P0616 Starter Relay "A" Circuit Low: Wiring Diagram

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

Engine Electrical System ENGINE TYPE EJ (WITHOUT PUSH BUTTON START) Ref. to the appropriate SYSTEM WIRING diagram article. ENGINE TYPE EJ (WITHOUT PUSH BUTTON START).

Fig 1: Engine Electrical System - Wiring Diagram (Engine Type EJ)
G10265798Courtesy of SUBARU OF AMERICA, INC.
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK FOR ANY OTHER DTC ON DISPLAY.  Is any other DTC displayed? Check DTC using "List of Diagnostic Trouble Code (DTC)". < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Go to step 2. 
2 CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR. 
  1. Turn the ignition switch to OFF.
  2. Remove the starter relay.
  3. Disconnect the connectors from ECM and starter motor.
  4. Measure the resistance of harness between ECM connector and starter relay connector.

    Connector & terminal 

    (B136) No. 16 - (B225) No. 1: 

Is the resistance less than 1 Ω? Go to step 3. 
NOTE: Check the following item and repair or replace if necessary.
  • Open circuit of harness between ECM connector and starter relay connector
  • Blown out of fuse
3 CHECK HARNESS BETWEEN ECM AND STARTER RELAY CONNECTOR. 
Measure the resistance between ECM connector and chassis ground.
Connector & terminal 
(B136) No. 16 - Chassis ground: 
Is the resistance 1 MΩ or more? Repair the poor contact of ECM connector. Repair the short circuit to ground in harness between ECM connector and starter relay connector.