Diagnosis System

CRUISE CONTROL: CRUISE CONTROL SYSTEM: DIAGNOSIS SYSTEM

DIAGNOSIS SYSTEM

1. DESCRIPTION
The ECU controls the cruise control system of the vehicle. The data and DTCs relating to the cruise control system can be read from the DLC3 of the vehicle. If any DTC is not displayed when checking for DTCs, there may be a problem with either the combination meter or the CAN communication system. Use an intelligent tester or Techstream to check and solve the problem.
2. CHECK DLC3
(a) Check the DLC3 .
3. CHECK INDICATOR






(a) Turn the ignition switch ON.

(b) Check that the CRUISE main indicator light illuminates when the cruise control main switch is turned on, and that the indicator light turns off when the main switch is turned off. If the results are not as specified, inspect the CRUISE main indicator light circuit Cruise Main Indicator Light Circuit.
HINT: While driving with the cruise control on, the ECM activates the cruise control system AUTO CANCEL cruise control system when a malfunction occurs in one of the following: vehicle speed sensors, stop light switch, or other related parts. When AUTO CANCEL is activated, the CRUISE main indicator light outputs the blinking pattern shown to the left. At the same time, the malfunction data is stored as a DTC.