CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
CUSTOMER PROBLEM ANALYSIS |
|
|
3. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA |
|
|
4. |
PROBLEM SYMPTOM CONFIRMATION |
|
|
5. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check for output DTCs.
HINT:
The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTC not output |
A |
|
CAN communication system DTC output |
B |
| B | |
CAN COMMUNICATION SYSTEM |
|
|
6. |
CHECK CLEAR DTCS |
|
|
7. |
PROBLEM SYMPTOM SIMULATION |
|
Result |
Proceed to |
|---|---|
|
Symptom does not occur |
A |
|
Symptom occurs |
B |
| B | |
GO TO STEP 9 |
|
|
8. |
SYMPTOM SIMULATION |
|
|
9. |
CHECK DTCS (OTHER THAN CAN SYSTEM DTCS) |
|
Result |
Proceed to |
|---|---|
|
DTC not output |
A |
|
DTC output |
B |
| B | |
GO TO STEP 11 |
|
|
10. |
PROBLEM SYMPTOMS TABLE |
| NEXT | |
GO TO STEP 12 |
|
11. |
DTC CHART |
|
|
12. |
CIRCUIT INSPECTION |
|
|
13. |
PROBLEM IDENTIFICATION |
|
|
14. |
REPAIR OR REPLACE |
|
|
15. |
CONFIRMATION TEST |
| NEXT | |
END |
Precaution
System DescriptionParts Location
PARTS LOCATION
ILLUSTRATION
*A
for Hydraulic Brake Booster
*B
for Vacuum Brake Booster
*C
w/ Toyota Safety Sense P
-
-
*1
BRAKE BOOSTER ASSEMBLY (SKID CONTROL ECU)
...
Cruise Main Indicator Light Circuit
DESCRIPTION
When the dynamic radar cruise control system is turned on using the cruise control
main switch (ON-OFF button), the cruise control indicator (vehicle-to-vehicle distance
control mode) illuminates. The ECM uses this and other indicators to indicate the
control condition (presence o ...
Tire Pressure Monitor Receiver Communication Stop (B1247)
DESCRIPTION
The main body ECU (multiplex network body ECU) and tire pressure warning ECU
and receiver are connected using 2 direct lines that they use to communicate with
each other.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
...