engine LEXUS SC400 1991 Service Repair Manual

TERMINALS OF ECU
*1: Only vehicles with ECT.
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ENGINE TROUBLESHOOTING Terminals of ECUTR±35
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TERMINALS OF ECU (Cont'd)
*1: Only vehicles with ECT.
*2: Only for USA specification vehicles. TR±36
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ENGINE TROUBLESHOOTING Terminals of ECU
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TR±88
TR±10
0
TR±12
2
TR±13
0
TR±13
6
TR±14
0
TR±11
4
TR±14
2 TR±108
TR±11
8
TR±12
4
TR±13
2
AC±84
ST±24
IG±24 IG±6
EM±30
AT±66
IN±32BE±381IG±7
IG±9
MATRIX CHART OF PROBLEM SYMPTOMS
When the malfunction code is not confirmed in the diagnostic code check and \
the problem still can not be con-
firmed in the basic inspection, then proceed to this step and perform troubles\
hooting according to the numbered
order given in the table below.
The circuits indicated by on the matrix chart can be inspected using th\
e TCCS checker.
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ENGINE TROUBLESHOOTING Martrix Chart of Problem SymptomsTR±35
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LOCATION OF CONNECTORS
Location of Connectors in Engine Compartment
TR±36±
ENGINE TROUBLESHOOTING Location of Connectors
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ENGINE TROUBLESHOOTING Location of ConnectorsTR±37
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Location of Connectors in Engine Compartment (Cont'd)
TR±38±
ENGINE TROUBLESHOOTING Location of Connectors
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ENGINE TROUBLESHOOTING Location of ConnectorsTR±39
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Location of Connectors in Engine Compartment (Cont'd)
TR±40±
ENGINE TROUBLESHOOTING Location of Connectors
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ENGINE TROUBLESHOOTING Locations of ConnectorsTR±41
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Location of Connectors in Instrument Panel
TR±42±
ENGINE TROUBLESHOOTING Locations of Connectors
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