How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2011 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

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

VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
INSPECT 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.

NEXT: Go to next step

CHECK CAN COMMUNICATION SYSTEM*

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 → GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING

A: Go to next step

CHECK FOR DTC*

Refer to DTC CHECK / CLEAR .
Refer to DTC CHECK / CLEAR .

Recheck for DTCs. Refer to DTC CHECK / CLEAR .

Result

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

B → GO TO DIAGNOSTIC TROUBLE CODE CHART

A: Go to next step

PROBLEM SYMPTOMS TABLE

Refer to PROBLEM SYMPTOMS TABLE .

Result

Result	Proceed to
There is no applicable symptom in the table	A
There is an applicable symptom in the table	B

B → Go to step 7

A: Go to next step

OVERALL ANALYSIS AND TROUBLESHOOTING*
1. Refer to TERMINALS OF ECM
2. Refer to DATA LIST / ACTIVE TEST
  NEXT: Go to next step
REPAIR OR REPLACE
NEXT: Go to next step
CONFIRMATION TEST
NEXT → END