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The Steering Lock Is Not Released

CAUTION: When the 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 OPERATION  .
  1. Depress the brake pedal (except for MT model) or clutch pedal (MT model).
  2. While turning the steering wheel lightly to the left and right, press the push button ignition switch.
  3. Confirm that the steering lock is released and the engine start.
 Does the engine fail to start with the steering lock released? Perform the diagnosis for engine system. <Ref. to DIAGNOSTICS FOR ENGINE STARTING FAILURE .> <Ref. to DIAGNOSTICS FOR ENGINE STARTING FAILURE .> Go to step 2  .
2 CHECK DTC  .
Read keyless access control module DTCs using the Subaru Select Monitor.		 Is a DTC displayed? Perform the diagnosis according to the corresponding procedures of DTC. Go to step 3  .
3 CHECK CURRENT DATA  .
  1. Using the Subaru Select Monitor, display the current data of the keyless access control module «Steering lock unlock request reception status» and «Steering lock lock/unlock command reception history».
  2. Read the data when the push button ignition switch is pressed while in possession of the access key. (Maintain for 10 seconds after switch operation)
 Does the data change from «Not yet received» to «Reception », and from «OFF» to «ON»? Go to step 4  . Go to step 7  .
4 CHECK STEERING LOCK CONTROL MODULE  .
  1. Disconnect the steering lock control module connector.
  2. Using a tester, measure the voltage between the steering lock control module connector and chassis ground.

    Connector & terminal 

    (B424) No. 7 (+) - Chassis ground (-): 

 Is the voltage 10 V or more? Go to step 5  . Repair or replace the open circuit of harness.
5 CHECK STEERING LOCK CONTROL MODULE  .
Using a tester, check continuity between the steering lock control module connector and chassis ground.
Connector & terminal 
(B424) No. 1 - Chassis ground: 		 Is there continuity? Go to step 6  . Repair or replace the open circuit of harness.
6 CHECK STEERING LOCK CONTROL MODULE  .
  1. Connect the disconnected connectors.
  2. Using a tester, measure the voltage between steering lock control module terminals right after the ignition switch is turned to ON.

    Connector & terminal 

    (B424) No. 3 (+) - (B424) No. 1 (-): 

 Is the voltage 1 V or less right after the ignition ON? Replace the steering lock control module. <Ref. to REMOVAL , Steering Lock control module.> Repair or replace the open circuit of harness.
7 CHECK CURRENT DATA  .
Using the Subaru Select Monitor, display the current data of the keyless access control module «Code collation result between smart ECM and ID code box».		 Is data displayed as being normal? Go to step 9  . Go to step 8  .
8 CHECK CURRENT DATA  .
  1. Replace with a properly functioning or new ID code box. <Ref. to NOTE , ID Code Box.>
  2. Using the Subaru Select Monitor, display the current data of the keyless access control module «Code collation result between smart ECM and ID code box».
 Is data displayed as being normal? System is normal. Replace the keyless access control module. <Ref. to KEYLESS ACCESS CONTROL MODULE .>
9 CHECK CURRENT DATA  .
Using the Subaru Select Monitor, display the current data of the keyless access control module «Code collation result between steering locked ECM and ID code box».		 Is data displayed as being normal? System is normal. Go to step 10  .
10 CHECK ID CODE BOX  .
  1. Replace with a properly functioning or new ID code box. <Ref. to NOTE , ID Code Box.>
  2. Using the Subaru Select Monitor, display the current data of the keyless access control module «Code collation result between steering locked ECM and ID code box».
 Is data displayed as being normal? System is normal. Go to step 11  .
11 CHECK STEERING LOCK CONTROL MODULE  .
  1. Replace with a properly functioning or new steering lock control module. <Ref. to REMOVAL , Steering Lock control module.>
  2. After registering, the steering lock operates when the ignition is turned to OFF and the driver's door is opened and closed.
  3. Turn the ignition to ON.
  4. Operate the steering and check for whether the steering lock is released.
 Is the steering lock released, and does the engine start? Replace the steering lock control module. <Ref. to REMOVAL , Steering Lock control module.> Replace the keyless access control module. <Ref. to KEYLESS ACCESS CONTROL MODULE .>
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