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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
P156400ASCD SW
(ASCD SW)
Diagnosis condition—
Signal (terminal)ASCD steering switch signal
ThresholdECM detects that input signal from the ASCD steering switch is out of the specified range
Diagnosis delay time—
 
 
POSSIBLE CAUSE
  • Harness or connectors (ASCD steering switch circuit is open or shorted.)
  • ASCD steering switch
  • ECM
 
 
FAIL-SAFE
Not applicable
 
 
DTC Confirmation Procedure
1.CHECK DTC PRIORITY
If DTC P1564 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Is applicable DTC detected?
Perform diagnosis of applicable. Refer to DTC Index.
.
 
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
: .
 
3.PERFORM DTC CONFIRMATION PROCEDURE
  1. Turn ignition switch ON.
  2. Wait at least 10 seconds.
  3. Press MAIN switch for at least 10 seconds, then release it and wait at least 10 seconds.
  4. Press CANCEL switch for at least 10 seconds, then release it and wait at least 10 seconds.
  5. Press RES+ switch for at least 10 seconds, then release it and wait at least 10 seconds.
  6. Press SET— switch for at least 10 seconds, then release it and wait at least 10 seconds.
  7. Check DTC.
Is DTC detected?
Refer to DTC Diagnosis Procedure.
INSPECTION END