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Symptom Troubleshooting Index

Symptom Diagnostic procedure Also check for
Cannot select ON mode with keyless access or with the remote in the remote slot Symptom Troubleshooting (see SYMPTOM TROUBLESHOOTING  )
  • No. 3- 1 (IG MAIN) (50 A) and No. 15(10 A) fuses in the under- hood fuse/relay box
  • No. 9 (20 A) fuse in the driver's under- dash fuse/relay box
  • Poor connections at the power control unit
  • Gauge control module
  • Power control unit
  • Electric steering lock
  • Engine start/stop switch
  • SS1 (+) line open/power short/ground short
  • SS2 (-) line open/short
  • B- CAN communication line
  • F- CAN communication line
  • ESL SW B, C, D lines open/short
  • MTRCONT line open/short
  • IGN TRX line open/short
  • Not registered
  • Harness/connections
Cannot select ON mode with keyless access, but can select ON mode with the remote in the remote slot Symptom Troubleshooting (see CANNOT SELECT ON MODE WITH KEYLESS ACCESS, BUT CAN SELECT ON MODE WITH THE REMOTE IN THE REMOTE SLOT  )
  • Keyless access control unit
  • Keyless access system mode switch
  • Remote slot
  • RF unit
  • LF antenna
  • Remote
  • Low or weak remote battery
  • MTR CONT line open/short
  • IGN TRX line open/short
  • ESLID mismatch
  • Not registered
  • Harness/connections
Cannot select ON mode with the remote in the remote slot, but can select ON mode with the remote removed Symptom Troubleshooting (see CANNOT SELECT ON MODE WITH THE REMOTE IN THE REMOTE SLOT, BUT CAN SELECT ON MODE WITH THE REMOTE REMOVED  )
  • Keyless access control unit
  • Remote slot control unit
  • Remote slot
  • MTR CONT line power short
  • ESLID mismatch
  • Not registered
  • Harness/connections
The engine cranks but will not start with keyless access or with the remote in the remote slot Symptom Troubleshooting (see THE ENGINE CRANKS BUT WILL NOT START WITH KEYLESS ACCESS OR WITH THE REMOTE IN THE REMOTE SLOT  )
  • No power to ECM/PCM
  • No power to driver's MICU
  • ESL SW B line open
  • Electric steering lock
  • Harness/fuses
The engine cranks but will not start with keyless access Symptom Troubleshooting (see THE ENGINE CRANKS BUT WILL NOT START WITH KEYLESS ACCESS  )
  • S- net line open/short
  • ESL SW B line open
  • IMOCD mismatch
  • IMOES mismatch
The engine cranks but will not start with the remote in the remote slot Symptom Troubleshooting (see THE ENGINE CRANKS BUT WILL NOT START WITH THE REMOTE IN THE REMOTE SLOT  )
  • S- net line open/short
  • ESL SW B line open
  • IMOCD mismatch
  • IMOES mismatch
All the doors and the trunk will not lock and unlock Symptom Troubleshooting (see ALL THE DOORS AND THE TRUNK WILL NOT LOCK AND UNLOCK  )
  • Keyless access control unit
  • RF unit
  • LF antenna
  • Keyless access system mode switch
  • Driver's door lock knob switch
  • Door outer handle touch sensor/lock switch
  • Door lock actuators
  • Remote
  • Low or weak remote battery
  • Not registered
The doors will not unlock (lock is normal) with keyless access or with the remote buttons, or the doors will not lock (unlock is normal) with keyless access or with the remote buttons Symptom Troubleshooting (see THE DOORS WILL NOT UNLOCK (LOCK IS NORMAL) WITH KEYLESS ACCESS OR WITH THE REMOTE BUTTONS, OR THE DOORS WILL NOT LOCK (UNLOCK IS NORMAL) WITH KEYLESS ACCESS OR WITH THE REMOTE BUTTONS  )
  • Driver's MICU
  • Remote
  • Door outer handle touch sensor/lock switch
  • Door switches
Keyless access indicator does not go off or does not come on Symptom Troubleshooting (see KEYLESS ACCESS INDICATOR DOES NOT GO OFF OR DOES NOT COME ON  )
  • Gauge control module
  • Keyless access control unit
  • Power control unit
  • Remote slot control unit
Immobilizer indicator does not go off or does not come on Symptom Troubleshooting (see IMMOBILIZER INDICATOR DOES NOT GO OFF OR DOES NOT COME ON  )
  • Gauge control module
  • Keyless access control unit
  • ECM/PCM
The key- in reminder does not sound Symptom Troubleshooting (see THE KEY- IN REMINDER DOES NOT SOUND  )
  • Gauge control module
  • Driver's door switch
  • Keyless access control unit
  • Driver's MICU
  • PCUKEY line open
  • Harness
The key- in reminder sounds when the remote is removed from the remote slot and door is open Symptom Troubleshooting (see THE KEY- IN REMINDER SOUNDS WHEN THE REMOTE IS REMOVED FROM THE REMOTE SLOT AND DOOR IS OPEN )
  • Remote slot
  • Driver's MICU
  • Power control unit
  • Engine start/stop switch
  • Harness
Engine does not crank (power supply is normal)
  • Power control unit
  • STS line open/short
  • Brake pedal position switch (A/T)
  • Brake light line open/short (A/T)
  • Clutch pedal position switch A (M/T)
  • CLUTCH line open/short (M/T)
Engine start/stop switch does not work Check for DTCs. If any DTC is indicated, go to the DTC TROUBLESHOOTING 
  • Power control unit
  • Engine start/stop switch
  • SS1 (+) line open/short
  • SS2 (-) line open/short
  • Harness
The mode changes between ACC and ON, but it does not change to OFF (A/T)
  • AT- P line short
  • Transmission range switch
  • Power control unit
  • Park Pin Switch
The mode changes between ACC and ON, but it is difficult to change to OFF
  • Gauge control module
  • Keyless access control unit
  • Remote slot control unit
  • Power control unit
  • ECM/PCM
  • B- CAN communication line open/short
  • F- CAN communication line open/short
  • Speed signal line open
Remote cannot be removed from the remote slot Check the park pin switch (A/T) (see KEY INTERLOCK SOLENOID TEST )
  • Remote slot
  • Park pin switch (A/T)
  • P- PIN line short (A/T)
Remote will not go into the remote slot Symptom Troubleshooting (see REMOTE WILL NOT GO INTO THE REMOTE SLOT  ) Damaged remote casing
The doors will not unlock or lock with the remote, but will unlock or lock with the door outer handles Symptom Troubleshooting (see THE DOORS WILL NOT UNLOCK OR LOCK WITH THE REMOTE, BUT WILL UNLOCK OR LOCK WITH THE DOOR OUTER HANDLES  )
  • Remote battery dead
  • Remote
  • Driver's MICU
  • RF unit
  • Remote slot
  • Power control unit
  • SLOT SW HALF/FULL/FULL2 lines short
  • PCUKEY line short
  • SS1 (+) line short
  • SS2 (-) line short
  • IG1A line short
  • ACC line short
  • B- CAN communication line open/short
  • Not registered
  • Harness/fuses
The doors will not unlock or lock with the door outer handle touch sensor or lock switch, but will unlock or lock with the remote Symptom Troubleshooting (see THE DOORS WILL NOT UNLOCK OR LOCK WITH THE DOOR OUTER HANDLE TOUCH SENSOR OR LOCK SWITCH, BUT WILL UNLOCK OR LOCK WITH THE REMOTE  )
  • Door outer handles
  • Keyless access system mode switch
  • Keyless access control unit
  • Remote
  • LF antenna
  • Driver's MICU
  • RF unit
  • Not registered
  • Harness/fuses