Engine Immobiliser System (For Sedan) Diagnostic Trouble Code Chart

Vehicle Interior. Yaris. Ncp93, 131
  1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CHART

  1. ECM DIAGNOSTIC TROUBLE CHART

Engine Immobiliser System (For Sedan) -- Diagnostic Trouble Code Chart



TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CHART

Transponder Key ECU
DTC Code
Detection Item
Trouble Area
See page
B2780
Push Switch / Key Unlock Warning Switch Malfunction
- Unlock warning switch
- Wire harness
- Transponder key ECU
YARIS_NCP93 RM0000012F800KX.html
B2784
Antenna Coil Open / Short
- Wire harness
- Transponder key amplifier
- Transponder key ECU
YARIS_NCP93 RM0000012FC00KX.html
B2793
Transponder Chip Malfunction
Key
YARIS_NCP93 RM0000012F900KX.html
B2794
Unmatched Encryption Code
Key
YARIS_NCP93 RM0000012FA00KX.html
B2795
Unmatched Key Code
Key
YARIS_NCP93 RM0000012F500KX.html
B2796
No Communication in Immobiliser System
- Key
- Transponder key amplifier
- Wire harness
- Transponder key ECU
YARIS_NCP93 RM0000012F600KX.html
B2797
Communication Malfunction No. 1
- Key
- Wire harness
- Transponder key amplifier
- Transponder key ECU
YARIS_NCP93 RM0000012F700KX.html
B2798
Communication Malfunction No. 2
- Key
- Wire harness
- Transponder key amplifier
- Transponder key ECU
YARIS_NCP93 RM0000012F600KX.html

ECM DIAGNOSTIC TROUBLE CHART
HINT:
The DTCs for the immobiliser system are specified above. If the other codes are output, check the DTC(s) chart for the engine control system.

ECM
DTC Code
Detection Item
Trouble Area
See page
B2799
Engine Immobiliser System Malfunction
- Wire harness
- ECM
- Transponder key ECU
YARIS_NCP93 RM0000012FB00LX.html
B279A
Theft Deterrent System Communication Line High Fixation
- Wire harness
- ECM
- Transponder key ECU
YARIS_NCP93 RM000002UEB02FX.html
B279C
Theft Deterrent System Presence Detection
ECM
YARIS_NCP93 RM000002UEC02BX.html