Tech Tips
Use the following procedures to troubleshoot the cruise control system.
*: Use the GTS.
VEHICLE BROUGHT TO WORKSHOP
NEXT |
INSPECT BATTERY VOLTAGE
Standard voltage |
---|
11 to 14 V |
If the voltage is below 11 V, recharge or replace the battery before proceeding.
NEXT |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
Use the GTS to check if the CAN communication system is functioning normally.
Result | Proceed to |
---|---|
CAN DTC is not output | A |
CAN DTC is output | B |
B |
Go to CAN COMMUNICATION SYSTEM Click here |
A |
CHECK FOR DTC*
Check for DTCs Click here.
Clear the DTCs Click here.
Recheck for DTCs Click here.
Result | Proceed to |
---|---|
DTC is not output | A |
DTC is output | B |
B |
Go to DIAGNOSTIC TROUBLE CODE CHART Click here |
A |
PROBLEM SYMPTOMS TABLE
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 |
B |
ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE |
A |
OVERALL ANALYSIS AND TROUBLESHOOTING*
Road Test Click here
Terminals of ECU Click here
Data List / Active Test Click here
NEXT |
ADJUST, REPAIR OR REPLACE
NEXT |
CONFIRMATION TEST
NEXT |
END |