SECURITY LIGHT 13, DTC B1600/P1260

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SECURITY LIGHT: 13

The key ID number data cannot be read.

DTC: B1600/P1260

DETECTION CONDITION

• The key ID number data cannot be read.

POSSIBLE CAUSE

• No transponder in the key
• Transponder malfunction (Key ID number is not output)
• Coil antenna malfunction
• Instrument cluster malfunction
• Any of the following items are touching or near the key head.
- Spare keys
- Keys for other vehicles equipped with an immobilizer system
- Any metallic object
- Any electronic device, or any credit or other cards with magnetic strips

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY DTC
• Is B1600/P1260 displayed?
Yes
Go to Step 3.
No
Go to the next step.
2
VERIFY DTC
• Is B2431/P1260 displayed?
Yes
Perform the DTC inspection for "SECURITY LIGHT: 13, M-MDS: B2431/P1260".
No
Go to the next step.
3
VERIFY WHETHER KEY IS VALID OR NOT
• Are there any keys with which the engine can be started, other than the key that is a cause of the displayed DTC?
Yes
Go to Step 5.
No
Go to the next step.
4
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
• Using the M-MDS, register an additional key.
• Using the registered key, turn the ignition switch to the ON position.
• Verify the DTC using the M-MDS.
- Is B1600/P1260 displayed again?
Yes
Replace the coil antenna, then go to Step 6.
No
• Dispose of the malfunctioning key.
• Register a new key if necessary.
5
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
• Using another valid key, turn the ignition switch to the ON position.
• Verify the DTC Using the M-MDS.
- Is B1600/P1260 displayed again?
Yes
Replace the coil antenna, then go to the next step.
No
• Dispose of the malfunctioning key.
• Register a new key if necessary.
6
INSPECT INSTRUMENT CLUSTER
• Using the registered key, turn the ignition switch to the ON position.
- Is B1600/P1260 displayed again?
Yes
Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster.
No
DTC troubleshooting completed.