CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
INSPECT BATTERY VOLTAGE |
(a) Inspect 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.
|
3. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result |
Proceed to |
---|---|
CAN DTCs is not output |
A |
CAN DTCs is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
4. |
CHECK FOR DTC* |
(a) Check for DTCs and note any code that is output.
(b) Clear the DTCs.
(c) Recheck for DTCs. Based on the DTCs output above, try to force the air conditioning system to output DTCs by simulating the conditions indicated by the DTC.
Result |
Proceed to |
---|---|
DTCs is not output |
A |
DTCs is output |
B |
B |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
5. |
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 |
|
6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
(c) On-vehicle Inspection
(d) Inspection
|
7. |
ADJUST, REPAIR OR REPLACE |
NEXT |
END |
System Description
SYSTEM DESCRIPTION
GENERAL
The cruise control main switch is used to turn the dynamic radar cruise control
system on and off, as well as operate 7 functions: SET, - (COAST), TAP-DOWN, RES
(RESUME), + (ACCEL), TAP-UP and CANCEL. The SET, TAP-DOWN, and - (COAST) functions,
and the RES (RESUME) ...
Lost Communication with Yaw Rate Sensor Module (U0123,U0126,U0129,U0142,U0155)
DESCRIPTION
These DTCs are output when a communication malfunction occurs between the sensors
and ECUs.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0123
Lost Communication with Yaw Rate Sensor Module
...
Main Owners Manual
Please note that this manual applies to all models explains and all equipment,
including options. Therefore, you may find some explanations for equipment not installed
on your vehicle.
All specifications provided in this manual are current at the time of printing.
However, because of the Toyot ...