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BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double BE-159
Cab)
BE2LR-02
ON-VEHICLE INSPECTION
1. SYSTEM CHECK
Only wireless function (Remote control) does not operate.
(If a new transmitter or a transmitter for same type vehicle that works properly with vehicle is not avail-
able.)
Put vehicle in following conditions (Pre-requisite).
(1) No key is inserted in ignition key cylinder.
(2) All doors are closed. (Door warning light is off.)
(3) All doors are locked.
Basic function check:
Using standard operation, press UNLOCK or LOCK transmitter switch 3 times or more alternately.
Check that UNLOCK or LOCK operation works properly from 3rd time onward.
D Standard operation.
(1) Stand approximately 1 m (3.28 ft) away from driver's door outlide handle on its right.
(2) Hold transmitter toward vehicle and press one of transmitter switches for approximately 1 second.
No Yes
Normal
D Operative distance may differ according to an
operator, way of holding transmitter or position.
D As weak electric wave is used, when there is
strong wave or noise in used frequency, operation
distance might be shortened.
Continued on next page
BE-160 BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double
Cab)
Continued from previous page
Transmitter battery check:
Yes
Replace transmitter battery with a new or normal one and check Battery faulty
UNLOCK-LOCK function works using standard operation.
Battery quality can be judged by checking remaining battery capacity.
No
Put vehicle in same conditions as shown in previous page. (Pre-requisite)
Inspection starts by using self-diagnostic mode:
Enter self-diagnostic mode.
When operating door control receiver as follows (steps 1 to 2), vehicle enters self-diagnostic mode.
(1) Insert key into ignition key cylinder and pull it out. Then, insert it again and turn ignition switch OFF
ON OFF once within 5 seconds after pulling it out,.
(2) Within 30 seconds, after completing above step, turn ignition switch OFF ON OFF 9 times.
HINT:
If neither of (1) or (2) conditions is satisfied, vehicle returns to normal mode.
When completing self-diagnostic mode, turn ignition switch ON.
LOCK and UNLOCK operation is not performed under self-diagnostic mode.
Within. Within.
5 sec. 30 sec.
Key
Inserted
Not Inserted
Ignition
Switch 1 2 3 9 10
ON
OFF
1 time 9 times
Continued on next page Continued from next page
BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double BE-161
Cab)
Continued from previous page Continued on previous page
No
Is method to enter self-diagnostic
Self-diagnostic mode operation check:
No mode correct?
After self-diagnostic mode input operation has
been performed, check that buzzer chirps. (Not entered self-
Yes
diagnostic mode)
Buzzer No Is chirping function of operation
ON confirmation buzzer normal?
OFF Yes
Check wireless door
lock buzzer.
0.13 sec. 0.5 sec.
Yes
Key unlock warning switch inspection:
(Entered self-diagnostic mode)
Check that continuity exists between
connector terminal B11-22 of body ECU
on vehicle side and ground by inserting
key into ignition key cylinder.
Self-diagnostic mode check:
Check that how buzzer chirps when pressing each
transmitter switch.
Check key unlock warning switch.
(1) Receiver normal wave of LOCK switch
ON
Buzzer (3) is output.
OFF (All buzzer's response is
same.)
0.5 sec.
0.13 sec.
(2) Receiver normal wave of UNLOCK switch Recognition code registration function check:
ON Check that it is possible to enter rewrite mode
Buzzer
or add mode (see page BE-154).
OFF
0.13 sec.0.25 sec.0.5 sec.
(3) Incompatibility of recognition code or out from
Wireless door lock operates
synchronization of rolling code
normally when recognition code
ON
Buzzer is registered.
OFF
While receiving No response from buzzer
:
While turning ignition switch ON in self-diagnostic mode,
vehicle returns to normal mode.
(1) or (2) is output.
Continued on next page
Continued on next page
BE-162 BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double
Cab)
Continued from previous page Continued from previous page
Yes
Wave reaching range check: Other body control system faulty
(Transmitter and receiver are normal.)
Is wave reaching range normal?
(1 m (3.28 ft) area of vehicle)
No
When pressing each switch of new or normal
transmitter used in same type vehicle, check
Transmitter faulty or wireless door lock receiver that all buzzers chirp in same way.
faulty
No Yes
Check wave reaching range with another
transmitter (normal). When range is normal,
transmitter malfunction is detected, range is
not normal, wireless door lock receiver Transmitter faulty
malfunction is detected.
Wireless door control receiver check:
Check diagnosis (wireless door lock signal error
(see page DI-2427)).
Yes
Wire harness faulty (short circuit)
Check that diagnostic code 42 is output.
Between receiver terminal 2 (RDA) and body
No ECU terminal B11-9 (RDA)
Between receiver terminal 3 (PRG) and body
ECU terminal B11-10 (PRG)
No
+B power source check: ECU-B fuse or wire harness faulty
Check that there is constantly 10 to 14 V at connector
terminal 5 (+B) of wireless door control receiver and
body ground.
Yes
Continued on next page
BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double BE-163
Cab)
Continued from previous page
No
Body ground check: Wire harness faulty
Body ground open and contact error
Check that continuity exists between connector
terminal 1 (GND) of wireless door control receiver
and body ground.
Yes
Wireless door control receiver faulty
2. INSPECT WIRELESS DOOR LOCK CONTROL FUNCTIONS
HINT:
S The switch described in this text is a switch for transmitting signals which is built into the door control
transmitter.
S All the functions listed below must be checked in the remote control operational area.
(a) Put the vehicle under the conditions that allow the wireless control function to be operated (see PRE-
CAUTION on page BE-153).
(b) Check the basic function.
(1) Check that all the doors lock when the LOCK switch is pressed.
(2) Check that only the driver side door unlocks when the UNLOCK switch is pressed once and the
other doors unlock when the UNLOCK switch is pressed again within 3 seconds.
(c) Check the chattering prevention function.
Check that the corresponding operation occurs only once and is not repeated continuously while the
switch is held. However, when the switch is operated repeatedly at 1 second intervals, check that the
corresponding operation is carried out.
(d) Check the automatic lock function.
(1) Check that all the doors lock automatically as long as none of them have been opened or all the
doors have not been locked within approximately 30 seconds after they are unlocked by pressing
the UNLOCK switch.
(2) Check that the automatic locking function does not operate when any door has been opened or
all of them have been locked within approximately 30 seconds after they are unlocked by press-
ing the UNLOCK switch.
(e) Check the switch operation fail-safe function.
Check that the doors cannot be locked using the switch while the key is in the ignition key cylinder.
However, this does not apply when the system is in the recognition code registration mode.
(f) Check the operation stop function when a door is open or not completely closed.
Check that the doors are not locked by the switch while any door is open or not completely closed.
(g) Check the repeat function.
Check that all the doors attempt to automatically lock once again 1 second after the LOCK switch has
been pressed while the movement of the driver side door control knob is being restricted in the un-
locked position.
(h) Check the taillights and parking lights flashing and wireless door lock buzzer chirp functions (answer-
back).
(1) When the LOCK switch is pressed, check that the lights flash once and buzzer chirps once with
the locking of all the doors.
BE-164 BODY ELECTRICAL - WIRELESS DOOR LOCK CONTROL SYSTEM (Double
Cab)
(2) When the UNLOCK switch is pressed once, check that the lights flash twice with the unlocking
of the driver side door.
(3) When the UNLOCK switch is pressed again within 3 seconds, check that the light flashes twice
with the unlocking of all the doors.
(i) Check the illuminated entry function.
(1) When all the doors are locked, pressing the UNLOCK switch causes the interior light (when the
light switch is in the DOOR position) to illuminate simultaneously with the unlock operation.
(2) Check that the interior light fades out in approximately 15 seconds if doors have not been
opened.
(j) Check the remote panic alarm function.
Check that the horn sounds, and the headlights and taillights flash for 60 seconds by the theft alarm
function when the PANIC switch is pressed. Also, check that the horn stops sounding and the lights
stop flashing when either PANIC or UNLOCK switch on the transmitter is pressed or any door is un-
locked using the key.
Wire Harness Side
3. CHECK DOOR CONTROL RECEIVER
(a) Disconnect the receiver connector.
(b) Check the voltage and resistance between the terminals
RDA
of the wire harness side connector of the receiver and
GND +B body ground.
Standard:
Tester Connection Specified Condition
5 (+B) - Body ground 10 - 14 V
Door Control Receiver
I27623 1 (GND) - Body ground Continuity
If the result is not as specified, there may be a malfunction on
the wire harness side.
(c) Reconnect the connector and check the voltage between
the terminal and body ground.
Standard:
Tester Connection Condition Specified Condition
No key in ignition key
Below 1 V
cylinder, all doors closed
2 (RDA) - Body ground Approx. 6 to 7 V
and each transmitter
Below 1 V
switch OFF ON
If the result is not as specified, the receiver may have a malfunc-
tion.
4. INSPECT WIRELESS DOOR LOCK BUZZER
2 1
Connect the positive (+) lead from the ohmmeter to terminal 1
and the negative (-) lead to terminal 2, and measure resis-
tance.
Standard: Approximately 1 k
If the resistance is not as specified, replace the buzzer.
I18620
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