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. REMOVE REAR SEAT LEG SIDE GARNISH SUBASSEMBLY RH
Disengage the clips and remove the seat leg side
garnish sub-assembly RH.
2. REMOVE REAR NO. 2 SEAT ASSEMBLY RH
Remove the bolt and locus cable RH.
Remove the 2 bolts and rear No. 2 seat assembly
RH.
R ...
TS and CG Terminal Circuit
DESCRIPTION
The Test Mode (signal check) circuit detects trouble in the sensor or switch
signal, which cannot be
detected by the DTC check.
Connecting terminals TS and CG of the DLC3 starts the check.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTR ...
Reassembly
1. INSTALL OIL PUMP COVER
(a) Coat the drive and driven rotors with engine oil and
place them into the timing chain cover with the
marks facing outward (oil pump cover side). Check
that the rotors rotate smoothly.
(b) Install the oil pump cover with the 8 bolts.
Torque: 9.1 N*m (93 kgf ...