Engine Immobiliser System Diagnostic Trouble Code Chart

Engine Immobiliser System -- Diagnostic Trouble Code Chart


HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Transponder key ECU
DTC Code
Detection Item
Detection Enabling Condition (DTC Output Confirmation Operation)
See page
B2780
Push Switch / Key Unlock Warning Switch Malfunction
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z3A004X.html
B2784
Antenna Coil Open / Short
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z3F004X.html
B2793
Transponder Chip Malfunction
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z3B004X.html
B2794
Unmatched Encryption Code
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z3C004X.html
B2795
Unmatched Key Code
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z37004X.html
B2796
No Communication in Immobiliser System
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z38004X.html
B2797
Communication Malfunction No. 1
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z39004X.html
B2798
Communication Malfunction No. 2
Insert the key into the ignition key cylinder.
Toyota Fortuner RM000000Z38004X.html

ECM
DTC Code
Detection Item
Detection Enabling Condition (DTC Output Confirmation Operation)
See page
B2799/99
Engine Immobiliser System Malfunction
Either condition is met:
- Within 10 seconds of an engine start operation being performed (with the shift lever in P and the brake pedal*1 or clutch pedal*2 depressed, turn the ignition switch to ON). If there is a malfunction, the engine stops (communication begins within 3 seconds of the engine start operation being performed, and DTCs are stored after 6 seconds).
- 10 seconds after the ignition switch is turned to ON after reconnecting the cable to the negative (-) battery terminal (communication begins within 3 seconds of the ignition switch being turned to ON, and DTCs are stored after 6 seconds).
Toyota Fortuner RM000000Z3D013X.html
B279A*3
Theft Deterrent System Communication Line High Fixation
Turn the ignition switch to ON and wait 6 seconds.
Toyota Fortuner RM000002X2F036X.html
B279C*3
Theft Deterrent System Presence Detection
Check for DTCs.
Toyota Fortuner RM000003SC500FX.html
  1. *1: for Automatic Transmission
  2. *2: for Manual Transmission
  3. *3: for 1KD-FTV, 2KD-FTV