Problem Symptoms Table - Toyota ZZT230 series Repair Manual

PROBLEM SYMPTOMS TABLE

If a nonnal code is displayed during the DTC check but the trouble still occurs, check the circuits for each
symptom in the order given in the charts on the following pages and proceed to the page given for trouble­
shooting.
The Matrix Chart is divided into
Chapter 1 : Electronic clrcuH matrix chart
Chapter 2: On-vehicle repair matrix chart
Chapter 3: Off-vehicle repair matrix charl
If the instruction "Proceed to next circuit inspection shown on matrix chartM 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.
occu rs
If the trouble still even though there are no abnormalities in any of the other circuits, then check and
replace the ECM.
Chapter 1 : Electronic ClrcuH Matrix Chari
Sym-
from 1st to
(A particlMr gear, 3rd
(3rd '"*OlD)
No-
No down-shift
p8fticula r gear, from 1st to 3rd
(A
(OlD� 3rd)
No .... .. .. .. .
"""'" ""
""
No lock-ap OFF
1o0
3rd whle 010 main switch is OFF
Shift point
high or loo low
Up-shift
I.Jp-ehifl: to 010 from
to ()(!) from 3rd while engine
NokkiH!own
stalls when
3
chapters.
is not
gear, up-shifted)
not
gear. ls down-sh!fted)
is cold
-
Suspect Area
ECM
DID
1. OlD main switch and OFF indicator light circuit
OlD cancel
2. signal circuit
3. ECM
ECM
OlD
1. switch and OlD OFF
main
2. ECM
ECM
ECM
ECM
ECM
ECM
ECM
ECM
See page
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Dl - 268
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01 - 271
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light Dl-258
indicator circuit
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