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 > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Blower Motor Circuit
DESCRIPTION
The blower motor with fan sub-assembly is operated by signals from the air conditioning
amplifier assembly through the blower resistor. Blower motor speed signals are transmitted
in accordance with changes in the duty ratio. The blower motor speed becomes slower
when the duty inte ...
Toyota CH-R Service Manual > Pre-collision System: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U023A)
DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that
perform pre-collision control.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM & ...