DTC B2796 No Communication in Immobiliser System
DTC B2798 Communication Malfunction No. 2
DESCRIPTION
These codes are stored in the memory when a key that does not have a transponder chip is inserted or if communication between the key and transponder key ECU is impossible.
DTC No. |
DTC Detection Condition |
Trouble Area |
B2796 |
No communication |
|
B2798 |
Communication error |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Transponder key ECU:
OK: UNSET (Ignition switch on) appears on the screen.
2 CHECK KEYS
OK: The engine starts
3 READ VALUE OF INTELLIGENT TESTER
Transponder key ECU:
OK: NORMAL (Antenna coil is normal) appears on the screen.
4 CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY - TRANSPONDER KEY AMPLIFIER)
Resistance
5 INSPECT TRANSPONDER KEY ECU ASSEMBLY
Voltage
Resistance
6 REPLACE TRANSPONDER KEY AMPLIFIER
OK: The engine starts.
END (TRANSPONDER KEY AMPLIFIER DEFECTIVE)
DTC B2797 Communication Malfunction No. 1
DESCRIPTION
This DTC is output when an error occurs in normal communication.
HINT: Some noise found in the communication line.
DTC No. |
DTC Detection Condition |
Trouble Area |
B2797 |
Keys are positioned too close to each other, or noise occurred in communication line. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK KEY
Result
2 CHECK DTC OUTPUT
OK: No DTC is output.
3 CHECK TRANSPONDER KEY AMPLIFIER
Check that no noise is included in the waveform (an example of noise is shown on the left).
Result
4 CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - TRANSPONDER KEY AMPLIFIER)
Resistance
5 REPLACE TRANSPONDER KEY AMPLIFIER
OK: The engine starts
END (TRANSPONDER KEY AMPLIFIER DEFECTIVE)
Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect t ...
Removal
1. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No. 1 seat assembly (for
center seat).
Remove the bolt and rear seat 3 point type belt
assembly.
2. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 7-Pas ...
Short to GND in Side Squib RH Circuit
DTC B0112/41 Short to GND in Side Squib RH Circuit
DESCRIPTION
The side squib RH circuit consists of the center airbag sensor assembly and
the front seat side airbag
assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B0112/41 is recorded when a sh ...