Diagnostic Tests: Notes
Codes indicated by the (*) symbol are displayed, if the conditions are satisfied, even if the system is normal. In either case, the system is normal if it can be reset. If there is an automatic cancellation not intentionally made by the driver, however, excluding cancellations explicitly made by the cancel procedure, there may be a temporary malfunction such as poor contact of a harness connector even though the system can be reset, and for that reason it is necessary to check according to each individual check chart that is applicable.
Diagnosis codes are displayed when, after cancellation of the cruise control system, the vehicle speed decreases to less than approximately 12 MPH, and are erased by switching OFF the ignition switch or the main switch. See Fig 2 . After the diagnosis codes in the memory are erased, if (when the power supply of the cruise control unit is switched ON once again) the power supply of the electronic control unit is normal, the diagnosis output code display will as shown, regardless of whether the system condition is normal or not.
- If a multi-use tester is used: "NORMAL11" will be displayed.
- If a voltmeter is used: Continuous ON/OFF signals will be displayed at 0.5 second intervals. See Fig 1 .