CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK |
HINT:
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Road conditions |
Under what conditions? |
Driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
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. |
VERIFY CUSTOMER SUBSCRIPTION IS ACTIVE* |
(a) Enter the VIN into Vehicle Inquiry on the Techstream and verify the subscription type and expiration date.
|
5. |
PERFORM HEALTH CHECK* |
(a) Perform "Health Check" and check for current DTCs.
Click here
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
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 |
HINT:
If the symptom does not reoccur and no DTC is output, attempt to reproduce the symptoms.
Click here
B | ![]() |
GO TO STEP 8 |
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
|
8. |
REPAIR OR REPLACE |
(a) Check if the DCM (Telematics Transceiver) has been replaced.
Result |
Proceed to |
---|---|
The DCM (Telematics Transceiver) has been replaced |
A |
The DCM (Telematics Transceiver) has not been replaced |
B |
B | ![]() |
GO TO STEP 10 |
|
9. |
PERFORM DCM ACTIVATION |
(a) Perform "DCM ACTIVATION".
Click here
|
10. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Immobiliser System(w/o Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The transponder key ECU assembly controls the immobiliser system. Immobiliser
system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle
Data Link Connector 3 (DLC3).
CHECK DLC3
(a) Check the DLC3.
Click here
INSPECT BATTERY VOLTAGE
...
Toyota CH-R Service Manual > Lighting System: Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
This DTC is output if the vehicle variation information is not written to the
headlight ECU sub-assembly LH.
The headlight ECU sub-assembly LH outputs DTC B2451.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
...