How To Proceed With Troubleshooting

HINT:

Use the following procedures to troubleshoot the cruise control system.
*: Use the Techstream.

VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
PROBLEM SYMPTOM CONFIRMATION
NEXT: Go to next step

CHECK CAN COMMUNICATION SYSTEM*

Refer to PRECAUTION. Refer to PRECAUTION .

Check for output DTCs.

Result

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

HINT:

The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

B → PROCEED TO CAN COMMUNICATION SYSTEM "CAN COMMUNICATION SYSTEM"

A: Go to next step

DTC CHECK AND CLEAR*
Refer to DTC CHECK / CLEAR. Refer to DTC CHECK / CLEAR .

NEXT: Go to next step

DTC CHECK (OTHER THAN CAN SYSTEM DTC)*

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

A → GO TO 7 STEP 7

B: Go to next step

DTC CHART
Refer to DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART .

NEXT → GO TO 10 STEP 10

PROBLEM SYMPTOM CONFIRMATION

Result

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

B → GO TO 9 STEP 9

A: Go to next step

SYMPTOM SIMULATION
Refer to SYMPTOM SIMULATION. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

NEXT: Go to next step
PROBLEM SYMPTOMS TABLE
Refer to PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE .

NEXT: Go to next step
CIRCUIT INSPECTION
NEXT: Go to next step
TERMINALS OF ECM
Refer to TERMINALS OF ECM. Refer to TERMINALS OF ECM .

NEXT: Go to next step
IDENTIFICATION OF PROBLEM
NEXT: Go to next step
REPAIR OR REPLACE
NEXT: Go to next step
CONFIRMATION TEST
NEXT → END