Lexus LS400 (2000 year). Manual — part 29

BE0CR–01

I03408

Electro Chromic Inner Mirror

Instrument Panel
Junction Block

ECU–IG Fuse

Ignition Switch

–

BE–193

2056

ELECTRO CHROMIC MIRROR SYSTEM

LOCATION

BE0CS–01

N16074

Z14965

Wire Harness Side

BE–194

–

BODY ELECTRICAL

ELECTRO CHROMIC MIRROR SYSTEM

2057

INSPECTION

1.

INSPECT ELECTRO CHROMIC INNER MIRROR OP-
ERATION

(a)

Connect the positive (+) lead from the battery to terminal
1 and the negative (–) lead to terminal 4.

(b)

Connect the positive (+) leaf from the voltmeter to terminal
2 and the negative (–) lead to terminal 3.

(c)

Shine an electric light on the mirror, and check that there
is battery positive voltage and mirror surface becomes
”bright” to ”dark”.

If operation is not as specified, replace the inner mirror.

2.

INSPECT ELECTRO CHROMIC INNER MIRROR CIR-
CUIT

Disconnect the connector from the mirror and inspect the con-
nector on the wire harness side, as shown.
If circuit is not as specified, inspect the circuits connected to oth-
er parts.

Tester connection

Condition

Specified condition

4 – Ground

Constant

Continuity

1 – Ground

Ignition switch LOCK or ACC

No voltage

1 – Ground

Ignition switch ON

Battery positive voltage

N17035

”Bright”

”Dark”

w/o Memory

I04603

”Bright”

”Dark”

w/ Memory

4

3

–

BODY ELECTRICAL

ELECTRO CHROMIC MIRROR SYSTEM

BE–195

2058

3.

INSPECT ELECTRO CHROMIC OUTER MIRROR OP-
ERATION
w/o Driving position memory:

(a)

Disconnect the outer mirror connector.

(b)

Connect the positive (+) lead from the dry through battery
to terminal 2 and the negative (–) lead to terminal 1, then
check that the mirror surface become ”dark”.

(c)

Reconnect to the dry through battery by the reverse order,
then check that the mirror surface become ”bright”.

If operation is not as specified, replace the mirror assembly.
4.

INSPECT ELECTRO CHROMIC OUTER MIRROR OP-
ERATION
w/ Driving position memory:

(a)

Disconnect the outer mirror connector.

(b)

Connect the positive (+) lead from the dry through battery
to terminal 4 and the negative (–) lead to terminal 3, then
check that the mirror surface become ”dark”.

(c)

Reconnect to the dry through battery by the reverse order,
then check that the mirror surface become ”bright”.

If operation is not as specified, replace the mirror assembly.

BE0CT–01

I03404

Seat Heater
(Seat Cushion)

Seat Heater
(Seat Back)

Seat Heater Switch

Engine Room Junction Block

FR S/HTR Fuse

Engine Main Relay

BE–196

–

2059

SEAT HEATER SYSTEM

LOCATION