Lexus GS300/400 (2000 year). Manual — part 55
I04169
1
2
I04170
6
2
I04171
6
2
I04172
6
2
8
9
11
I04173
6
2
8
9
11
BE–178
–
BODY ELECTRICAL
POWER MIRROR CONTROL SYSTEM
2479
(b)
Reverse the polarity, and check that the mirror turns to the
right side.
(c)
Connect the positive (+) lead from the battery to terminal
6 and the negative (–) lead to terminal 2, and check that
the mirror turns upward.
(d)
Reverse the polarity, and check that the mirror turns
downward.
If operation is not as specified, replace the mirror assembly.
9.
w/ Driving position memory:
INSPECT MIRROR MOTOR CIRCUIT
Left side: (See page
Right side: (See page
10.
w/ Driving position memory only:
INSPECT MIRROR POSITION SENSORS OPERATION
HINT:
Strip off the vinyl tape of the connector and remove terminals
1, 2, 6, 8, 9, 10 and 11 from the connector housing.
(a)
Connect a series of three 1.5 V dry cell batteries.
(b)
Connect the positive (+) lead from the dry cell batteries to
terminal 8 and the negative (–) lead to terminal 11.
(c)
Connect the positive (+) lead from the voltmeter to termi-
nal 9 and the negative (–) lead to terminal 11.
(d)
Apply battery positive voltage to terminals 2 and 6, then
check that the voltage gradually changes according to the
table below while the mirror moves between the upper-
most position and lowermost position.
Mirror
position
Lowermost
Mirror
position
Uppermost
Voltage
2.8 – 5.0
Changes
gradually
0 – 1.8
If voltage value is not as specified, replace the motor assembly.
I04174
2
1
8
10
11
I04175
2
1
8
10
11
I04176
SW1
SW2
SET Switch
I07732
When folded front
At drive
position
At retract position
(a)
(b)
(c)
(d)
(e)
–
BODY ELECTRICAL
POWER MIRROR CONTROL SYSTEM
BE–179
2480
(e)
Disconnect the 4 leads of the battery and voltmeter.
(f)
Connect the positive (+) lead from the voltmeter to termi-
nal 10 and negative (–) lead to terminal 11.
(g)
Apply battery positive voltage to terminals 1 and 2, then
inspect that the voltage gradually changes according to
the table below while the mirror moves between the left–
most position and right–most position.
Mirror
position
Left–most
Mirror
position
Right–most
Voltage
LEFT
2.8 – 5.0
Changes
gradually
0 – 1.8
Voltage
RIGHT
0 – 1.8
Changes
gradually
2.8 –5.0
If voltage value is not as specified, replace the motor assembly.
11.
w/ Driving position memory only:
INSPECT MIRROR POSITION SENSORS CIRCUIT
Left side: (See page
)
12.
INSPECT DRIVING POSITION MEMORY AND RE-
TURN SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
SET switch ON
1 – 7
Continuity
Return SW1 ON
1 – 3
Continuity
Return SW2 ON
1 – 5
Continuity
If continuity is not as specified, replace the switch.
13.
INSPECT DRIVING POSITION MEMORY AND RE-
TURN SWITCH CIRCUIT (See page
14.
TAIWAN models:
INSPECT ELECTRICAL RETRACT MOTOR OPERA-
TION
(a)
When folded front position:
(1)
Connect the positive (+) lead from the battery to ter-
minal 1 and negative (–) lead to terminal 2, check
that the mirror operates at retract position.
(2)
Reverse the polarity, check that the mirror does not
operate.
If operation is not as specified, replace the mirror assembly.
(b)
Between folded front position and driving position:
(1)
Connect the positive (+) lead from the battery to ter-
minal 1 and negative (–) lead to terminal 2, check
that the mirror operates at retract position.
(2)
Reverse the polarity, check that the mirror operate
at folded front position.
If operation is not as specified, replace the mirror assembly.
BE–180
–
BODY ELECTRICAL
POWER MIRROR CONTROL SYSTEM
2481
(c)
When driving position:
(1)
Connect the positive (+) lead from the battery to ter-
minal 1 and negative (–) lead to terminal 2, check
that the mirror operates at retract position.
(2)
Reverse the polarity, check that the mirror does not
operate.
If operation is not as specified, replace the mirror assembly.
(d)
Between driving position and retract position:
(1)
Connect the positive (+) lead from the battery to ter-
minal 1 and negative (–) lead to terminal 2, check
that the mirror operates at retract position.
(2)
Reverse the polarity, check that the mirror operate
at return position (Stopping at driving position).
If operation is not as specified, replace the mirror assembly.
(e)
When retract position:
(1)
Connect the positive (+) lead from the battery to ter-
minal 1 and negative (–) lead to terminal 2, check
that the mirror does not operates.
(2)
Reverse the polarity, check that the mirror operate
at return position (Stopping at driving position).
If operation is not as specified, replace the mirror assembly.
BE0HC–06
I01369
Electro Chromic Outer Mirror
Electro Chromic Inner Mirror
Driver Side Junction Block
ECU–IG Fuse
–
BODY ELECTRICAL
ELECTRO CHROMIC MIRROR SYSTEM
BE–181
2482
ELECTRO CHROMIC MIRROR SYSTEM
LOCATION
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