DESCRIPTION
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2793 |
Transponder Chip Malfunction |
A transponder chip malfunction (1 trip detection logic*). |
|
|
B2794 |
Unmatched Encryption Code |
A key with an incomplete key ID code is inserted into the ignition key cylinder (1 trip detection logic*). |
|
|
B2797 |
Communication Malfunction No. 1 |
A key with a BCC malfunction is inserted into the ignition key cylinder (1 trip detection logic*). |
|
|
B2798 |
Communication Malfunction No. 2 |
Key ID code identification cannot be completed within the specified time (1 trip detection logic*). |
|
|
Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
---|---|
Engine cannot be started |
- |
DTC No. |
Data List and Active Test |
---|---|
B2793 |
- |
B2794 |
- |
B2797 |
- |
B2798 |
- |
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Insert and remove each registered key one at a time, and check for DTCs each time.
Body Electrical > Immobiliser > Trouble CodesHINT:
OK:
DTC B2793, B2974, B2797 and B2798 is not output.
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output for all of the keys |
B |
DTCs are output for any of the keys |
C |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
C | ![]() |
REPLACE KEY THAT DTC IS OUTPUT |
|
3. |
CHECK CONNECTION OF CONNECTOR |
(a) Check that the connectors are properly connected to the transponder key coil.
(b) Check that the engine starts with the key.
OK:
Engine starts.
OK | ![]() |
END (CONNECTOR WAS NOT CONNECTED PROPERLY) |
|
4. |
REPLACE TRANSPONDER KEY COIL |
(a) Replace the transponder key coil.
Click here
(b) Check that the engine starts with the key.
OK:
Engine starts.
OK | ![]() |
END (TRANSPONDER KEY COIL WAS DEFECTIVE) |
NG | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
Toyota CH-R Service Manual > Navigation System: Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound data signal or image data
signal from a USB device to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMB ...
Toyota CH-R Service Manual > Srs Seat Cushion Airbag Assembly: On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the front
seat cushion airbag assembly RH.
PROCEDURE
1. INSPECT FRONT SEAT CUSHION AIRBAG ASSEMBLY RH (for Vehicle not Involved in
Collision)
(a) Perform a diagnos ...