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 > Airbag System: Short in Driver Side Squib Circuit (B1800/51-B1803/51)
DESCRIPTION
The driver side squib circuit consists of the airbag sensor assembly, spiral
cable with sensor sub-assembly and horn button assembly.
The airbag sensor assembly uses this circuit to deploy the airbag when deployment
conditions are met.
These DTCs are stored when a malfunction is d ...
Toyota CH-R Service Manual > Rear Bumper: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL REAR BUMPER ARM SUB-ASSEMBLY LH (for USA and Canada)
(a) Install the rear bumper arm sub-assembly LH with the 4 bolts.
Torque:
18 N·m {184 kgf·cm, 13 ft·lbf}
2. INSTALL REAR BUMPER ARM SUB-ASSEMB ...