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Isuzu KB P190. Manual - part 1486
11A-46 IMMOBILIZER SYSTEM (C24SE, 4JA1-T)
B0011 TRANSPONDER KEY PROBLEM (Only 4JA1-T Engine)
Step Action Value(s)
Yes
No
1
Was the "Immobilizer System Check" performed?
Go to Step 2 Go to Immobilizer
System Check
2
Check the key.
Is a key peculiar to a vehicle?
Go to Step 3
Refer to
Diagnostic Aids
3
Check the immobilizer programming functions.
• All transponder (Key).
If a problem is found, repair as necessary.
(Refer to "Important information on Programming")
Was the action complete?
Go to Step 4
Go to Step 5
4
Recheck the DTC.
1. Key position is “OFF” and keep the position for more
than 30 seconds.
2. Key position is “ON”.
3. Check the DTC on scan tool.
Is DTC B0011 stored?
Go to Step 5
Verify repair
5
Recheck the DTC.
1. Non-OEM parts switch is "OFF" or remove the Non-
OEM parts.
2. Remove the accessory and another key from key.
3. Move the vehicle to a new location.
4. Key position is “OFF” and keep the position for more
than 30 seconds.
5. Key position is “ON”.
6. Check the DTC on scan tool.
Is DTC B0011 stored?
Go to Step 6
Verify repair
6
Check the immobilizer coil (antenna) circuit.
1. Key position is “OFF”.
2. Disconnect the immobilizer control unit (ICU).
(immobilizer coil circuit : 3 pin connector)
3. Check the immobilizer coil circuit for an open, short
to ground, or short to voltage.
Also, check the ICU ignition feed circuit for an open or
short to ground and the ICU ground circuit for an open.
Was a problem found?
Go to Step 7
Go to Step 8
7
Repair or replace the immobilizer coil (antenna) circuit.
Was the action complete?
Verify repair
8
Recheck the DTC.
1. Key position is “OFF” and keep the position for more
than 30 seconds.
2. Key position is “ON”.
3. Check the DTC on scan tool.
Is DTC B0011 stored?
Go to Step 9
Verify repair