Toyota Sequoia (2005). Manual - part 878

–

BODY ELECTRICAL

WIRELESS DOOR LOCK CONTROL SYSTEM

BE–97

3501

Wire harness faulty.
Body ground open and contact error.

Yes

Body ground check:

Check that continuity exists between the connector
terminal 1 (GND) of the wireless door control receiver
and body ground.

No

Wireless door control receiver faulty.

BE0GM–16

I28417

Transmitter

Door Lock Assembly

Ignition Switch

Door Lock Assembly

Wireless Door Lock
Control Receiver
(Located behind the heater control panel)

BE–98

–

BODY ELECTRICAL

WIRELESS DOOR LOCK CONTROL SYSTEM

3502

LOCATION

BE0GO–11

I21534

–

BODY ELECTRICAL

WIRELESS DOOR LOCK CONTROL SYSTEM

BE–99

3503

INSPECTION

1.

INSPECT WIRELESS DOOR LOCK TRANSMITTER
OPERATION

HINT:
Refer to ”Wireless door lock control transmitter battery replace-
ment” on page 

BE–103

.

(a)

Using a screwdriver, remove the cover.

(b)

Remove the battery (lithium battery).

(c)

Install a new or normal battery (lithium battery).

HINT:
When a new or normal battery can not be obtained, connect 2
new 1.5 V batteries in series, connect the battery (+) to the bat-
tery receptacle side terminal and the battery (–) to the bottom
terminal, then apply 3 V voltage to the transmitter.
(d)

In the location where transmitter is approx. 1 M away from
the driver’s outside handle in the right direction, check
transmitter operation while pressing transmission switch
on the side of the transmitter body.

Standard:
Remote control of the vehicle door lock can be operated.
HINT:

The minimum operation distance differs according to op-
erator, the way of holding the transmitter, and location.

As a weak wave is used, operating distance might be
shortened when noise is detected in a strong wave or a
used frequency.

(e)

Install the battery (lithium battery).

(f)

Install the cover so that a rubber cover is not distorted or
slipped off.

N30016

I21529

BE–100

–

BODY ELECTRICAL

WIRELESS DOOR LOCK CONTROL SYSTEM

3504

2.

CHECK BATTERY CAPACITY

HINT:

Make sure to use the TOYOTA electrical tester.

With the battery unloaded, judge can not be made wheth-
er the battery is available or not on the test.

When the transmitter is faulty, the energy amount left in
the battery might not be checked correctly.

On the lithium battery used for the transmitter, the voltage
more than 2.5 V with the battery unloaded is shown on the
tester until the energy is completely consumed.
Accordingly when inspecting the energy amount left in the
battery, it is necessary to measure the voltage when the
battery is loaded (1.2 k

Ω

).

(a)

Remove the cover using a (–) driver.

(b)

Remove the battery (lithium battery) from the transmitter.

(c)

Connect the lead to the (–) terminal of the transmitter and
install the battery.

(d)

Connect the (+) tester to the (+) battery (lithium battery),
and (–) tester to the lead respectively.

(e)

Press one of the transmitting switches on the transmitter
for approx. 1 second.

(f)

Press the transmitting switch on the transmitter again to
check the voltage.
Standard: 2.1 V or more