Lexus RX300 (MCU15). Manual - part 160

BE0UU–01

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BODY ELECTRICAL

ANTENNA

BE–187

LEXUS RX300   (RM785E)

INSTALLATION

Installation is in the reverse order of removal. (See page BE–184)

I10786

Wire Harness Side:

BE1AS–02

BE–188

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BODY ELECTRICAL

MULTI DISPLAY

LEXUS RX300   (RM785E)

MULTI DISPLAY

INSPECTION

INSPECT MULTI DISPLAY ASSEMBLY CIRCUIT
Disconnect the connector from the multi display assembly and
inspect the connector on the wire harness side, as shown in the
table.

Tester connection

Condition

Specified  condition

8 – Ground

Constant

Continuity

1 – Ground

Constant

Battery voltage

3 – Ground

Ignition switch LOCK

No voltage

3 – Ground

Ignition switch ACC or ON

Battery voltage

If the circuit is as specified, replace the multi display assembly.
If the circuit is not as specified, inspect the circuits connected
to other parts.

BE02Q–18

I07371

Engine & ECT ECU

Transponder Key Coil

Transponder Key Amplifier

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BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

BE–189

LEXUS RX300   (RM785E)

ENGINE IMMOBILISER SYSTEM

LOCATION

BE0G8–11

I04266

1

2

BE–190

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BODY ELECTRICAL

ENGINE IMMOBILISER SYSTEM

LEXUS RX300   (RM785E)

INSPECTION

INSPECTION TRANSPONDER KEY COIL CONTINUITY
Check that continuity exists between terminals 1 and 2.
If continuity is not as specified, replace the coil.