Diagnostic procedure
STEP
|
INSPECTION
|
ACTION
|
|
---|---|---|---|
1
|
VERIFY DTC USING SST
• Does SST (WDS or equivalent) indicate DTC -/B1600?
|
Yes
|
Go to Step 3.
|
No
|
Go to the next step.
|
||
2
|
VERIFY DTC USING SST
• Does SST (WDS or equivalent) indicate DTC -/B2431?
|
Yes
|
Go to SECURITY LIGHT: DTC 13 (WDS OR EQUIVALENT: -/B2431).
|
No
|
Go to the next step.
|
||
3
|
VERIFY VALID KEY
• Is there any key, other than the one that caused displayed DTC, which can start the engine?
|
Yes
|
Go to Step 5.
|
No
|
Go to the next step.
|
||
4
|
VERIFY WHETHER MALFUNCTION IS IN COIL ANTENNA OR KEY
• Using SST (WDS or equivalent) register an additional key.
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM])
• Using registered key, turn ignition switch to ON position.
• Does SST (WDS or equivalent) indicate DTC -/B1600 again?
|
Yes
|
Replace coil antenna, then go to step 6.
|
No
|
• Dispose of defective key.
• Duplicate key if necessary.
|
||
5
|
VERIFY WHETHER MALFUNCTION IS IN COIL ANTENNA OR KEY
• Using any other valid key, turn ignition switch to ON position.
• Does SST (WDS or equivalent) indicate DTC -/B1600 again?
|
Yes
|
Replace coil antenna, then go to next step.
|
No
|
• Dispose of defective key.
• Duplicate key if necessary.
|
||
6
|
INSPECT PCM
• Using registered key, turn ignition switch to ON position.
• Does SST (WDS or equivalent) indicate DTC -/B1600 again?
|
Yes
|
Replace PCM and reprogram immobilizer system.
|
No
|
DTC troubleshooting completed.
|