CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer to confirm the problem.
Click here
|
3. |
PRE-CHECK |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
4. |
SYMPTOM SIMULATION |
|
5. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
Result |
Proceed to |
---|---|
CAN DTCs are not output |
A |
CAN DTCs are output |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
Result |
Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table |
A |
Fault is listed in Problem Symptoms Table |
B |
B | ![]() |
GO TO STEP 8 |
|
7. |
PERFORM OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) System Description
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
(d) Inspection
|
8. |
REPAIR OR REPLACE |
|
9. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the transponder key amplifier coil
built into the engine switch, the certification ECU (smart key ECU assembly) stores
this DTC. This DTC is also stored as a history DTC.
DTC No.
Detection Item
DTC Detect ...
Toyota CH-R Service Manual > Door Lock: Transmitter Battery(w/ Smart Key System)
Components
COMPONENTS
ILLUSTRATION
*1
TRANSMITTER BATTERY
*2
MECHANICAL KEY
*3
TRANSMITTER HOUSING COVER
*4
TRANSMITTER HOUSING CASE
*5
SMART KEY DOOR CONTROL TRANSMITTER ...