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MATRIX CHART OF PROBLEM SYMPTOMS
AT0LS±08
If a normal code is displayed during the diagnostic trouble code check but\
the trouble still occurs, check
the circuits for each symptom in the order given in the charts on the fo\
llowing pages and proceed to the
page given for troubleshooting.
The Matrix Chart is divided into 3 chapters.
Chapter 1: Electronic Circuit Matrix Chart
Chapter 2: On±vehicle Repair Matrix Chart
Chapter 3: Off±vehicle Repair Matrix Chart
In troubleshooting, check Chapter 1 first. If instructions are given in Ch\
apter 1 to proceed to Chapter 2 or
3, proceed to it.
1. If the instruction ªProceed to next circuit inspection shown on matrix chartº is given in the flow chart for each circuit, proceed to the circuit with the next highest number in the\
table to continue
the check.
2. If the trouble still occurs even though there are no abnormalities in an\
y of the other circuits, then check or replace the ECM.
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Chapter 1. Electronic Circuit
AT ±7
8
AT ±
8
2
AT±86
AT±90
AT±94
AT±98
AT±102
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AT±106AT±104 AT±108
AT±110
AT±112
AT±116
AT±68
AT±70
IN±26
EG±580
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A304E (1UZ±FE) AUTOMATIC TRANSMISSION TROUBLESHOOTINGAT±67
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Chapter 2. On±Vehicle Repair
( : '94 A340E and A341E AUTOMATIC TRANSMISSION Repair Manual for LEXUS SC400)
AT±48
AT±48
V04379
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AT±70
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