^ YOU. ARE. GREAT. I have the FSM for the 3VZ powered ES300 and that was never mentioned. Thank you.
edit:
For those wondering about the difference between checking the OBDI engine light and DIAG mode... just read. Basically you connect TE1, TE2 and E1.
DIAGNOSIS SYSTEM
DESCRIPTION
The ECM contains a built−in self−diagnosis system by which
troubles with the engine signal network are detected and a malfunction
indicator lamp on the instrument panel lights up.
By analyzing various signals as shown in the later table (See
page EGT−14 ) the Engine Control Module (ECM) detects system
malfunctions relating to the sensors or actuators.
In the normal mode, the self−diagnosis system monitors 21
(California specification vehicles) or 18 (Other than California
specification vehicles) items, indicated by code No. as shown in
EGT−14. A malfunction indicator lamp informs the driver that a
malfunction has been detected. The light goes off automatical−
ly when the malfunction has been repaired. But the diagnostic
trouble code(s) remains stored in the ECM memory (except for
code Nos. 16 and 53). The ECM stores the code(s) until it is
cleared by removing the EFI fuse with the ignition switch off.
The diagnostic trouble code can be read by the number of blinks
of the malfunction indicator lamp when TE 1 and E 1 terminals
on the DLC2 or data link connector 1 are connected. When 2 or
more codes are indicated, the lowest number (code) will appear
first.
In the test mode, 12 (California specification vehicles) or 9
(Other than California specification vehicles) items, indicated by
code No. as shown in EGT−14 are monitored. If a malfunction is
detected in any one of the .systems indicated by code
Nos. 13, 21, 22, 24, 25, 26, 27, 28, 31, 32, 41 and 71
(California specification vehicles) or 13, 21, 22, 24, 25, 28, 31,
32 and 41 (Other than California specification vehicles) the
ECM lights the malfunction indicator lamp to warn the technician
that malfunction has been detected. In this case, TE2 and
E1 terminals on the DLC2 or data link connector 1 should be
connected as shown later. (See page EGT2−12)
In the test mode, even if the malfunction is corrected, the malfunction
code is stored in the ECM memory even when the ignition
switch is off (except code Nos. 43 and 51). This also applies
in the normal mode. The diagnostic mode (normal or test) and
the output of the malfunction indicator lamp can be selected by
connecting the TE 1, TE2 and E 1 terminals on the data link connector
1 or DLC2, as shown later.
A test mode function has been added to the functions of the
self−diagnosis system of the normal mode for the purpose of detecting
malfunctions such as poor contact, which are difficult to
detect in the normal mode. This function fills up the self−diagnosis
system. The test mode can be implemented by the technician
following the appropriate procedures of check terminal connection
and operation described later. (See page
EGT2−12)
3VZ−FE ENGINE TROUBLESHOOTING − DIAGNOSIS SYSTEM
EGT2−10
Diagnosis Inspection (Normal
Model
MALFUNCTION INDICATOR LAMP
CHECK
1. The malfunction indicator lamp will come on when the ignition
switch is turned ON and the engine is not running.
HINT: If the malfunction indicator lamp does not light up,
proceed to troubleshooting of the combination meter
(See page BE−53).
2. When the engine is started, the malfunction indicator lamp
should go off.
If the light remains on, the diagnosis system has detected
a malfunction or abnormality in the system.
DIAGNOSTIC TROUBLE CODE CHECK
1. Turn ignition switch on.
2. Using SST, connect terminals between TE1 and E1 of
DLC2 or data link connector 1.
SST 09843−18020
As an example, the blinking patterns for codes; normal,
12 and 31 are as shown on the illustration.
4. Check the details of the malfunction using the diagnostic
trouble code table on page EGT−14 .
5. After completing the check, disconnect terminals TE 1 and
El, and turn off the display.
HINT: In the event of 2 or more malfunction codes, indication
will begin from the smaller numbered code and continue
in order to the larger.
3. Read the diagnostic trouble code from malfunction indicator
lamp.
HINT: If a diagnostic trouble code is not output, check the
TE 1 terminal circuit (See page EGT2−146).
3VZ−FE ENGINE TROUBLESHOOTING − DIAGNOSIS SYSTEM
EGT2−11
Diagnosis Inspection (Test Mode)
Compared to the normal mode, the test mode has high sensing
ability to detect malfunctions. It can also detect malfunctions in the
starter signal circuit, the IDL contact signal of the throttle position
sensor, air conditioning signal and park/neutral position switch signal.
Furthermore, the same diagnostic items which are detected in
the normal mode can also be detected in the test mode.
DIAGNOSTIC TROUBLE CODE CHECK
1. Initial conditions.
(a) Battery voltage 11 V or more.
(b) Throttle valve fully closed (throttle position sensor IDL
points closed).
(c) Transmission in neutral position.
(d) Air conditioning switched off.
2. Turn ignition switch off.
3. Using SST, connect terminals TE2 and E 1 of DLC2 or data link
connector 1.
SST 09843−18020
4. Turn ignition switch on.
HINT:
• To confirm that the test mode is operating, check that the
malfunction indicator lamp flashes when the ignition switch
is turned to ON.
• If the malfunction indicator lamp does not flash, proceed to
troubleshooting of the TE2 terminal circuit on page
EGT2−146.
5. Start the engine.
6. Simulate the conditions of the malfunction described by the customer.
7. After the road test, using SST, connect terminals TE 1 and
Ell of DLC2 or data link connector 1.
SST 09843−18020
8. Read the diagnostic trouble code on malfunction indicator
lamp on the combination meter (See page EGT2−11).
9. After completing the check, disconnect terminals TE 1, TE2
and El, and turn off the display.
HINT:
• The test mode will not start if terminals TE2 and E 1 are
connected after the ignition switch is turned on.
• When vehicle speed is 5 km/h (3mph) or below, diag.
trouble code ”42” (Vehicle speed signal) is output, but this
is not abnormal.
• When the engine is not cranked, diag. trouble code
”43” (Starter signal) output, but this is not abnormal.
• When the automatic transmission shift lever is in the
”D”, ”2”, ”L” or ”R” shift position, or when the air conditioning
is on or when the accelerator pedal is depressed, code ”51
” (Switch condition signal) is output, but this is not abnormal.
Piece of Crap
Linear Mode
