How To Proceed With Troubleshooting

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
* Use these procedures to troubleshoot the dynamic radar cruise control system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

NEXT -- Continue to next step.

3. CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*

(a) Use the Techstream to check if the multiplex communication system (MPX) is functioning normally.





B -- Go to MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

5. CHECK FOR DTC*

(a) Check for DTC Dynamic Radar Cruise Control System.

(b) Clear the DTC Dynamic Radar Cruise Control System.

(c) Recheck for DTC Dynamic Radar Cruise Control System.





B -- Go to step 8
A -- Continue to next step.

6. PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table Dynamic Radar Cruise Control System.





B -- Go to step 8
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation check Operation Check.

(b) Terminals of ECU Dynamic Radar Cruise Control System.

(c) DATA LIST / ACTIVE TEST Dynamic Radar Cruise Control System.

NEXT -- Continue to next step.

8. ADJUST, REPAIR OR REPLACE

NOTICE:
* When the distance control ECU is replaced with a new one, initialization must be performed Installation.
* When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed Adjustments.
NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END