Toyota COMPUTER-CONTROLLED SYSTEM - Normal Mode; Test Mode

SS T
0 .13 sec
CHECKING AND CLEARING DIAGNOSTIC CODE S
0~~~~~~
h
N I I
El
TE 2
l u
2 . TEST MOD E
To output the diagnostic codes, proceed as follows
:
(a) Initial conditions :
• Ba tt
e
ry voltage at 11 volts or highe r
• Throttle valve fully closed (idle contact closed)
• Transmission in "N" rang e
• All accessories switched off
(b) Turn the ignition switch off .
(c) Using the SST, connect terminal TE2 with terminal
El of the TDCL .
SST 09843-1802 0
(d) Turn the ignition switch on
.
NOTE
: To confirm that the test mode is operating,
see whether the "CHECK ENGINE" lamp blinks
when the ignition switch is turned on .
This blinking cycle is faster than blinking cycle of
normal code .
(e) Start the engine .
(f) Simulate the conditions of the malfunction
described by the customer .
If the diagnostic system detects a malfunction, the
"CHECK ENGINE" lamp will go on
.
(g) After performing a road test, connect terminal TE1
with terminal
El
of the TDCL using the SST
.
SST 09843-1802 0
(h) Read the diagnostic code as indicated by the
number of times the "CHECK ENGINE" lamp
blinks .
NOTE
: The method used to read the diagnostic
code is the same as in the normal mode
.
(i) After completing this check, remove the SSTs from
the TDCL .
SST 09843-18020
NOTE :
• The test mode will not start if terminals TE2 an
d
El are connected after the ignition switch is
turned on .
• If the engine is not cranked, diag
. code "43"
(starter signal) will be output, but this is normal
.
• When the automatic transmission is in the "D" ,
"2", "L" or "R" range, or when the air con-
ditioner is on, or when the accelerator pedal is
depressed, code "51" (switch condition signal)
will be output, but this is normal .
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