display TOYOTA T100 1996 Factory Workshop Manual

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Airbag Sensor Assembly
− DIAGNOSTICSSUPPLEMENTAL RESTRAINT SYSTEM
DI−407
1996 TOYOTA T100 (RM449U)
If DTC is displayed without DTC check procedure, perform following trouble-
shooting:
1 Check resistance between terminal Tc of center airbag sensor assembly and
body ground.
PREPARATION:
(a) Turn ignition switch to LOCK.
(b) Disconnect negative (−) terminal cable from the battery,
and wait at least 90 seconds.
(c) Disconnect center airbag sensor assembly connector.
CHECK:
Check resistance between terminal Tc of center airbag sensor
assembly connector and body ground.
OK:
Resistance: 1MΩ or Higher
NG Repair or replace harness or connector.
OK
Replace center airbag sensor assembly.

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BE4033I00021
Normal Code
0.25 sec.
0.25 sec.
ON
OFF
ON
OFF
4 sec.1.5 sec. 0.5 sec.
2.5 sec.0.5 sec.1.5 sec.
Malfunction codes 11 and 21
Code 11 Code 21
N09348
TOYOTA hand−held tester
TOYOTA Break−out−box
N06038
ECU−B Fuse
− DIAGNOSTICSCRUISE CONTROL SYSTEM
DI−411
1996 TOYOTA T100 (RM449U)
HINT:
If the DTC is not output, inspect the Tc circuit (See page
DI−456).
As an example, the blinking patterns for codes; normal,
11 and 21 are shown in the illustration.
2. ECU TERMINAL VALUES MEASUREMENT BY USING
TOYOTA BREAK−OUT−BOX AND TOYOTA HAND−
HELD TESTER
(a) Hook up the TOYOTA break−out−box and TOYOTA
hand−held tester to the vehicle.
(b) Read the ECU input/output values by following the
prompts on the tester screen.
HINT:
TOYOTA hand−held tester has a ”Snapshot” function. This re-
cords the measured values and is effective in the diagnosis of
intermittent problems.
Please refer to the TOYOTA hand−held tester /TOYOTA
break−out−box operator’s manual for further details.
3. DTC CLEARANCE
(a) After completing repairs, the diagnostic trouble code re-
tained in memory can be cleared by removing the ECU−B
fuse for 10 seconds or more, with the ignition switch OFF.
(b) Check that the normal code is displayed after connecting
the fuse.

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1
12
No.Operation MethodCRUISE MAIN Indicator LIght
Blinking PatternDiagnosis
1
2
3
4Drive approx. 40 km/h
(25 mph) or over
Drive approx 40 km/h
(25 mph) or below
LightON
OFF
LightON
OFF
ON
OFFSET/COAST switch circuit
is normal
RES/ACC switch circuit
is normal
LightON
OFF LightON
OFF
1sec.
0.25 sec. 0.25 sec.Push the speed control switch
SET/COAT on.
Push the speed control switch
RESUME/ACCEL on.
Each cancel switch turned
ON.
 Speed control switch (to
CANCEL)
 Stop light switch
 Park/Neutral position switch
(to N or O Position)
 Clutch start switch
 Parking brake switch
Speed sensor circuit is
normal
Speed sensor circuit is
normalEach cancel switch is
normal
5 DI−414
− DIAGNOSTICSCRUISE CONTROL SYSTEM
1996 TOYOTA T100 (RM449U)
5. INPUT SIGNAL CHECK
HINT:
For check No.1 ∼ No.3
Turn ignition switch ON.
For check No.4
Jack up the vehicle.
Start the engine.
Shift to D position.
(a) Press the control switch to SET/COAST or RES/ACC
position and hold it down or hold it up ”(1)”.
(b) Push the main switch ON ”(2)”.
(c) Check that the CRUISE MAIN indicator light blinks twice
or 3 times repeatedly after 3 seconds.
(d) Turn the SET/COAST or RES/ACC switch OFF.
(e) Operate each switch as listed in the table below.
(f) Read the blinking pattern of the CRUISE MAIN indicator
light.
(g) After performing the check, turn the main switch OFF.
HINT:
When 2 or more signals are input to the ECU, the lowest num-
bered code will be displayed first.

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− DIAGNOSTICSCRUISE CONTROL SYSTEM
DI−415
1996 TOYOTA T100 (RM449U)
DIAGNOSTIC TROUBLE CODE CHART
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the table
below and proceed to the appropriate page.
DTC No.
(See Page)Detection ItemTrouble Area
11
(DI−420)Actuator Motor Circuit
Actuator
Wire harness
Cruise control ECU
12
(DI−422)Actuator Magnetic Clutch Circuit
Actuator
Stop light switch
Wire harness
Cruise control ECU
13
(DI−425)Actuator Position Sensor Circuit
Actuator
Wire harness
Cruise control ECU
21
(DI−428)Vehicle Speed Sensor Circuit
Vehicle speed sensor
Wire harness
Cruise control ECU
*23
(DI−428)Actuator Control Cable
Vehicle Speed Sensor circuit
Vehicle speed sensor
Speed control cable function
Wire harness
Cruise control ECU
32
(DI−431)Control Switch Circuit
Cruise control switch
Wire harness
Cruise control ECU
34
(DI−431)Voltage abnormality in control switch circuit
Control switch
Wire harness
Cruise control ECU
41 Cruise Control ECUCruise control ECU
HINT:
When 2 or more codes are indicated, the lowest numbered code will be displayed first.
*When the vehicle speed decreases on uphill roads, the speed can be set again and drive can be continued
(This is not a malfunction.).

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Cassette Tape Slot Cover
− BODY ELECTRICALAUDIO SYSTEM
BE−61
1861 Author: Date:
1996 TOYOTA T100 (RM449U)
5. ANTI−THEFT SYSTEM
HINT:
The words ”ANTI−THEFT SYSTEM” are displayed on the cas-
sette tape slot cover.
For operation instructions for the anti−theft system, please con-
sult the audio system section in the Owner’s Manual (hereafter
called O/M).
(a) Setting system
The system is in operation once the customer has pushed
the required buttons and entered the customer−selected
3−digit ID number.
(Refer to the O/M section, ”Setting the anti−theft system”)
HINT:
When the audio system is shipped the ID number has not
been input, so the anti−theft system is not in operation.
If the ID number has not been input, the audio system re-
mains the same as a normal audio system.
(b) Anti−theft system operation
If the normal electrical power source (connector or battery
terminal) is cut off, the audio system becomes inoperable,
even if the power supply resumes.
(c) Canceling system
The ID number chosen by the customer is input to cancel
the anti−theft system.
(Refer to the O/M section, ”If the system is activated”)
HINT: To change or cancel the ID number, please refer to
the O/M section ”Canceling the system”.

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I01856
Ground
Power Source
(Illumination)(Clock Side) (Wire Harness Side) E
ILL
B
ACCPower Source
(System Operation)
Power Source
(Display Operation)
2
3
4Connector
1 CLOCK WILL NOT OPERATE
I01857
(Clock Side)
(Wire Harness Side)
B + GND
e−4−2−De−4−1−D
Ye s
Ye sNo
No
Is there battery positive voltage between terminal +B and body
ground.
Is there battery positive voltage between terminal GND and body
ground.
Replace clock.Open or short circuit in wire harness between terminal
+B and DOME fuse.
Open circuit in wire harness between terminal
GND and body ground.
− BODY ELECTRICALCLOCK
BE−83
1883 Author: Date:
1996 TOYOTA T100 (RM449U)
CLOCK
TROUBLESHOOTING
HINT:
Troubleshoot the clock according to the table below.
ProblemNo.
Clock will not operate1
Clock loses or gains time2
± 1.5 seconds / day
1. PROBLEM NO.1
(a) Check that the battery positive voltage is 10 − 16 V.
If voltage is not as specified, replace the battery.
(b) Check that the DOME fuse is not blown.
If the fuse is blown, replace the fuse and check for short.
(c) Troubleshoot the clock as follows.
HINT:
Inspect the connector on the wire harness side.