Inspection Of Cruise Control System Using Self-Diagnostic Function - Mazda MX-5 1990 Workshop Manual

T
CRUISE CONTROL SYSTEM
INSPECTION OF CRUISE CONTROL SYSTEM USING SELF-DIAGNOSTIC FUNCTION
Inspection of the cruise control system may also be done by using the self-diagnostic function integrated
in the control unit and using a test light.
~
Jk
===================::::-
<D~N
OFF
~:ZV,$RUISE
MAIN
05UOTX-222
RESUME
~~
05UOTX·223
05UOTX·224
T-102
- ' - - - - - -
05UOTX-220
Preparation
1. Disconnect the cruise control unit connector.
2. Connect a test light between terminals d and s of the cruise
control unit connector as shown.
3. Reconnect the cruise control unit connector.
Inspection
1. Turn the ignition switch ON.
2. Turn the cruise main switch ON.
3. Turn the cruise control switch to RESUME and hold it more
than 3 seconds.
4. Release the switch.
5. The self-diagnostic function is now activated.
6. Read out and record the condition and operation code num-
ber(s) of the test light. (Refer to page T
-104.)
7. Turn the main switch OFF to deactivate the self-diagnostic
function. (The self-diagnostic function will also be canceled
if the vehicle is driven at over 16 km/h (1 Dmph)).
8. Check the system as per the results of the self-diagnostic
test.