1995 TOYOTA SUPRA Service Repair Manual

Page 2001 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DIAGNOSTIC TROUBLE CODE CHART
HINT:   Parameters listed in the chart may not be exactly the same as your reading due to type of the instruments
or other factors.
DTC
No.
Number of
MIL BlinksCircuitDia

Page 2002 of 2543

TOYOTA SUPRA 1995  Service Repair Manual If a malfunction code is displayed during the diagnostic trouble code check in test mode, check the circuit for
that code listed in the table below (Proceed to the page given for that circuit).


Page 2003 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC
No.
Number of
MIL BlinksCircuitDiagnostic Trouble Code Detecting Condition
(1) Open or short in heater circuit of main heated oxygen
    sensor (Fr) for 0.5 sec. or more.
(2)  Main heated oxygen s

Page 2004 of 2543

TOYOTA SUPRA 1995  Service Repair Manual  
 
 Trouble Area
 
 
 
Malfunction
Indicator
Lamp*
1
 
 
 Memory*2

Page 2005 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC
No.
Number of
MIL BlinksCircuitDiagnostic Trouble Code Detecting Condition
(a) Engine speed: Below 950 rpm
(b) Engine coolant temp.: 80°C (176°F) or more
(2 trip dectection logic)*3
Engine speed

Page 2006 of 2543

TOYOTA SUPRA 1995  Service Repair Manual  
 
 Trouble Area
 
 
 
Malfunction
Indicator
Lamp*
1
 
 
 Memory*2

Page 2007 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC
No.
Number of
MIL BlinksCircuitDiagnostic Trouble Code Detecting Condition
No starter signal to ECM
Open or short in throttle position sensor circuit for 0.5 sec. or
more
Engine control computer (

Page 2008 of 2543

TOYOTA SUPRA 1995  Service Repair Manual  
 
 Trouble Area
 
 
 
Malfunction
Indicator
Lamp*
1
 
 
 Memory*2