CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
HINT:
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Road conditions |
Under what conditions? |
Running 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
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Check if CAN communication DTCs are output.
Click here
Result |
Proceed to |
---|---|
CAN communication DTCs are not output |
A |
CAN communication DTCs are output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
5. |
CHECK FOR DTC* |
HINT:
Refer to DTC Check / Clear.
Click here
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B |
GO TO DTC CHART |
|
6. |
REFER TO PROBLEM SYMPTOMS TABLE |
HINT:
Refer to Problem Symptoms Table.
Click here
Result |
Proceed to |
---|---|
Malfunctioning parts are not confirmed |
A |
Malfunctioning parts are confirmed |
B |
B |
GO TO STEP 12 |
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
HINT:
Refer to Data List / Active Test.
Click here
Result |
Proceed to |
---|---|
Malfunctioning parts are not confirmed |
A |
Malfunctioning parts are confirmed |
B |
B |
GO TO STEP 12 |
|
8. |
CHECK ECM CIRCUIT |
HINT:
Refer to Terminals of ECM.
Click here
NG |
GO TO STEP 12 |
|
9. |
CHECK FOR INTERMITTENT PROBLEMS |
HINT:
Refer to Symptom Simulation.
Click here
|
10. |
CONDUCT PARTS INSPECTION |
|
11. |
IDENTIFY PROBLEM |
|
12. |
ADJUST AND/OR REPAIR |
|
13. |
CONDUCT CONFIRMATION TEST |
NEXT |
END |
High Beam Headlight Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the high beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body ECU (multip ...
Precaution
PRECAUTION
1. PRECAUTIONS FOR REFRIGERANT HFO-1234yf (R1234yf)
(a) Compatibility
(1) The parts used in the refrigerant cycle, the compressor oil, etc. of the
HFO-1234yf (R1234yf) system are not compatible with the conventional HFC-134a (R134a)
system.
(b) HFO-1234yf (R1234yf) Refrigerant
(1 ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT TRANSMISSION WIRE
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(Transmission Wire)
Standard Resistance: ...