CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
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. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CHECK CABIN |
(a) Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.
OK:
Condensation is not likely being produced and the temperature is not high or extremely low.
HINT:
NG | ![]() |
SET CABIN TO APPROPRIATE TEMPERATURE |
|
5. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
CAN DTCs are not output. |
A |
CAN DTCs are output. |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
6. |
CHECK FOR DTC* |
(a) Refer to DTC Check/Clear.
Click here
Result |
Proceed to |
---|---|
DTCs are output. |
A |
DTCs are not output. |
B |
B | ![]() |
GO TO STEP 10 |
|
7. |
DTC CLEAR* |
(a) Refer to DTC Check/Clear.
Click here
HINT:
The present DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
|
8. |
RECHECK FOR DTC* |
(a) Refer to DTC Check/Clear.
Click here
Result |
Proceed to |
---|---|
DTCs are output. |
A |
DTCs are not output. |
B |
HINT:
B | ![]() |
GO TO STEP 10 |
|
9. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Find the output code in Diagnostic Trouble Code Chart.
Click here
NEXT | ![]() |
GO TO STEP 12 |
10. |
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 recur and no DTCs are output, attempt to reproduce the symptoms.
Click here
B | ![]() |
GO TO STEP 12 |
|
11. |
PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM |
(a) Refer to Terminals of ECU.
Click here
|
12. |
CHECK CIRCUIT |
(a) Adjust, repair or replace as necessary.
|
13. |
RECHECK FOR DTC* |
(a) After clearing DTCs, recheck for DTCs.
Click here
|
14. |
PERFORM CONFIRMATION TEST |
NEXT | ![]() |
END |
Toyota CH-R Service Manual > Navigation System: Weather and traffic information cannot be obtained
CAUTION / NOTICE / HINT
NOTICE:
When replacing the radio and display receiver assembly, always replace it with
a new one. If a radio and display receiver assembly which was installed to another
vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
...
Toyota CH-R Service Manual > Lighting System: Power Source Circuit
DESCRIPTION
When the ignition switch is ON or the operation conditions of the headlights
are met, the main body ECU (multiplex network body ECU) supplies power to the headlight
ECU sub-assemblies via the No. 1 integration relay.
When the ignition switch is ON, the main body ECU (multiplex netw ...