Reading and Clearing Diagnostic Trouble Codes

DIAGNOSIS USING SELECT MONITOR
1. Proceed as follows:
a. Connect select monitor to data link connector, located behind lefthand side lower instrument cover.
b. Turn ignition switch on, then turn cruise main switch to on position.
c. Turn select monitor on. All LED's will come on.
d. Press "F", "B","O" and "ENT" in that order, and enter the desired designated code.

DIAGNOSIS OF CRUISE CANCEL CONDITIONS
1. Connect select monitor.
2. Turn ignition and cruise main switch on, and set select monitor in "FBO" mode.
3. Start engine and drive vehicle at least 25 mph with cruise speed set.
4. If cruise speed is cancelled itself (without doing any cancel operations), a trouble code will appear on select monitor display.

Fig. 15 Trouble Code Identification And Description:

5. Trouble code will be cleared by turning ignition or cruise main switch off. Refer to Fig. 15.

REAL-TIME DIAGNOSIS
1. Inspect system switches as follows:
a. Connect select monitor.
b. Turn ignition switch and cruise main switch on.
c. Set select monitor in "FAO" mode.

Fig. 19 System Switches Test:

d. Ensure normal indication is displayed when switches are operated as shown in Fig. 19.