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The Steering Lock Does Not Operate

CAUTION: When the keyless access control module or steering lock control module is replaced, registration of the immobilizer is required. For the relevant procedures, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK DTC  .
Read keyless access system DTCs using the Subaru Select Monitor.
Is a DTC displayed? Perform the diagnosis according to the corresponding DTC. Go to step .
2 CHECK CURRENT DATA  .
  1. Display the current data «Driver's door SW input» of body integrated unit using Subaru Select Monitor.
  2. Read the data when opening and closing the driver's door.
Does the data change from ON to OFF according to the opening and closing? Go to step . Inspect door switch circuit.
3 CHECK CURRENT DATA  .
Display the current data «Shift P Signal» of keyless access system using Subaru Select Monitor.
Is the status displayed correctly when the shift lever is shifted from P to other than P? Go to step . Check the P range switch and harness.
4 CHECK CURRENT DATA  .
Using the Subaru Select Monitor, display the current data «Code collation result between smart ECM and ID code box» of keyless access system.
Is the status normal? Go to step . Replace the keyless access control module. <Ref. to REMOVAL , Keyless Access control module.>
5 CHECK CURRENT DATA  .
Using the Subaru Select Monitor, display the current data «Code collation result between steering locked ECM and ID code box» of keyless access system.
Is the status normal? Go to step . Replace the steering lock control module. <Ref. to REMOVAL , Steering Lock control module.>
6 CHECK CURRENT DATA  .
  1. Using Subaru Select Monitor, display the current data «Steering lock lock/unlock command reception history» of keyless access system.
  2. While in possession of the access key, perform engine start operations, and read data within 10 seconds after starting.
Is data displayed as ON? Go to step . Replace the keyless access control module. <Ref. to REMOVAL , Keyless Access control module.>
7 CHECK STEERING LOCK CONTROL MODULE  .
Using a tester, measure the waveform between steering lock control module terminals immediately after the following operations.
Perform ignition ON, driver's side door close → shift lever "P" range, ignition OFF, and close → open the driver's side door.
Connector & terminal 
(B424) No. 3 - No. 1: 
Is the waveform immediately after opening the driver's side door abnormal? Replace the steering lock control module. <Ref. to REMOVAL , Steering Lock control module.> Go to step .
8 CHECK WIRING HARNESS  .
  1. Disconnect the keyless access control module connector and the steering lock control module connector.
  2. Using a tester, check continuity between the keyless access control module connector and steering lock control module connector.

    Connector & terminal 

    (B424) No. 3 - (B574) No. 29: 

Is there continuity? Go to step . Repair or replace the open circuit of harness.
9 CHECK WIRING HARNESS  .
Using a tester, check continuity between the keyless access control module connector and chassis ground.
Connector & terminal 
(B572) No. 11 - Chassis ground: 
Is there continuity? Replace the keyless access control module. <Ref. to REMOVAL , Keyless Access control module.> Repair or replace the open circuit of harness.