1990 MITSUBISHI SPYDER Service Repair Manual

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Page 753 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Auto-cruise
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptomInspectionR e f e r e n c e
procedure No. page
Communication with scan tool is not possible.

Page 754 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Auto-cruise Control System
INSPECTION PROCEDURE 3
When brake pedal is depressed,, auto-cruise control does not
cancel.
[Comment]A malfunction of the stop li

Page 755 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Auto-cruise System
INSPECTION PROCEDURE 6
Auto-cruise control cannot be set.
[Comment]A malfunction of the auto-cruise control switch circuit may exist.

Page 756 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual 17-16ENGINE AND EMISSION CONTROL Auto-cruise Control System
INSPECTION PROCEDURE 9
Auto-cruise control main switch illumination light does not
illuminate. Probable cause
A malfunction of t

Page 757 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Auto-cruise System
TROUBLESHOOTING ENGINE (TURBO) AND ENGINE>
DIAGNOSTIC TROUBLESHOOTING FLOW
Does not
(Refer to (Refer to
No diagnostic troubleDiagnostic

Page 758 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual ENGINE AND EMISSION CONTROL Auto-cruise Control
When using a voltmeter
1.Use the special tool to connect a voltmeter between the
ground terminal and the diagnostic output term

ENGINE AND EMISSION CONTROL Auto-cruise Control
When using a voltmeter
1.Use the special tool to connect a voltmeter between the
ground terminal and the diagnostic output terminal of
d a t a l i n k c o n n e c t o r .
2.In the same way as when using the scan tool, turn t he
ignition switch to ON and turn on the auto-cruise c ontrol
main switch. Then take a reading of the diagnostic trouble.
codes from the movement of the needle on the voltme ter.
HOW TO READ DIAGNOSTIC TROUBLE CODES FROM A VOLTMET ER
Example of diagnostic trouble code voltage waveformNormalvoltage waveform
For diagnostic trouble code No. 24
NOTE
Other on-board diagnostic items are also output as voltage waveforms corresponding to diagnostic troub le code
numbers.
HOW TO ERASE DIAGNOSTIC TROUBLE CODES
The diagnostic trouble codes can
erased by disconnecting the cable from the battery for 10 seconds
or more and then reconnecting it, or by the followi ng procedure.
1. Turn the ignition switch to ON.
2.With the SET switch at the ON position, turn the ma in switch to ON, and within 1 second after this,
turn the RESUME switch to ON.
3. With the SET switch once more at the ON position , turn the stop light switch ON for a continuous
period of 5 seconds or more.
Auto-cruise control switch
TSB Revision
HOW TO READ INPUT SWITCH CODES
1. Connect the scan tool or a voltmeter to the data link
connector. (Refer to
2.With the ignition switch in the ON position, turn t he S E T
switch to the ON position.
3.Within 1 second after turning the auto-cruise contr ol main
switch to ON, turn the RESUME switch to ON.
4. Operate each switch listed in the input inspecti on table
and take a reading of the input switch codes with t he
scan tool or the fluctuation of a voltmeter.
NOTE
These codes are output as voltage waveforms in the
same way as above.

Page 759 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual AND CONTROL
Input Inspection Table
.
Code No.Input operation Operation
21SET switch ONAuto-cruise control-ECU judges that SET switch is O
N
22RESUME switch ON Auto-cruisecontrol-EC

Page 760 of 2103

MITSUBISHI SPYDER 1990 Service Repair Manual E N G I N E A N D E M I S S I O N C O N T R O L Auto-cruise
INSPECTION PROCEDURE: FOR DIAGNOSTIC TROUBLE CODES
Code Auto-cruise vacuum pump drive system
[Comment]
This diagnostic

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