DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is stored during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" below.
1. TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART
Transponder Key ECU Assembly
DTC Code |
Detection Item |
Trouble Area |
See page |
---|---|---|---|
B2780 |
Push Switch / Key Unlock Warning Switch Malfunction |
1. Wire harness or connector 2. Unlock warning switch assembly 3. Transponder key ECU assembly |
|
B2784 |
Antenna Coil Open / Short |
1. Wire harness or connector 2. Transponder key amplifier 3. Transponder key ECU assembly |
|
B2793 |
Transponder Chip Malfunction |
Key |
|
B2794 |
Unmatched Encryption Code |
Key |
|
B2795 |
Unmatched Key Code |
Key |
|
B2796 |
No Communication in Immobiliser System |
1. Key 2. Transponder key amplifier 3. Transponder key ECU assembly |
|
B2797 |
Communication Malfunction No. 1 |
1. Key 2. Transponder key amplifier 3. Transponder key ECU assembly |
|
B2798 |
Communication Malfunction No. 2 |
1. Key 2. Transponder key amplifier 3. Transponder key ECU assembly |
|
2. ECM DIAGNOSTIC TROUBLE CODE CHART
HINT:
The DTCs for the engine immobiliser system are specified below. If other codes are output, check the DTC chart for the SFI system.
ECM
DTC Code |
Detection Item |
Trouble Area |
See page |
---|---|---|---|
B2799 |
Engine Immobiliser System Malfunction |
1. Wire harness or connector 2. ECM 3. Transponder key ECU assembly |
|
B279A |
Theft Deterrent System Communication Line High Fixation |
1. Wire harness or connector 2. Transponder key ECU assembly 3. ECM |
|
B279C |
Theft Deterrent System Presence Detection |
ECM |
|
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 INSTRUMENT PANEL PIN
(a) Install the 2 No. 1 instrument panel pins with the 2 screws <E> or
<F>.
2. INSTALL GLOVE BOX LIGHT ASSEMBLY
...
Short in Front Pretensioner Squib RH Circuit (B1900/73-B1903/73)
DESCRIPTION
The front pretensioner squib RH circuit consists of the center airbag sensor
assembly and front seat outer belt assembly RH.
The center airbag sensor assembly uses this circuit to deploy the seat belt pretensioner
when deployment conditions a ...
Open or Short Circuit in ABS Motor Relay Circuit (C0273/13)
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated,
the ECU turns the motor relay on and operates the ABS pump motor.
If the voltage supplied to the motor relay (+BM) is below the DTCs detection
threshold due ...