Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT REAR COMBINATION LIGHT ASSEMBLY LH

(a) Apply battery voltage to the rear combination light assembly LH and check that the lights come on.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 1 (B)

Battery negative (-) → Terminal 3 (E)

Taillight comes on

Battery positive (+) → Terminal 2 (STP)

Battery negative (-) → Terminal 3 (E)

Stop light comes on

Battery positive (+) → Terminal 4 (TRN)

Battery negative (-) → Terminal 3 (E)

Turn signal light comes on*1

Battery positive (+) → Terminal 4 (TRN1) and 6 (TRN2)

Battery negative (-) → Terminal 3 (E)

Turn signal light comes on*2

  • *1: for Turn Signal Light Bulb Type
  • *2: for Turn Signal Light LED Type

If the result is not as specified, replace the rear combination light assembly LH.

*a

Component without harness connected

(Rear Combination Light Assembly LH)

2. INSPECT REAR COMBINATION LIGHT ASSEMBLY RH

(a) Apply battery voltage to the rear combination light assembly RH and check that the lights come on.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 1 (B)

Battery negative (-) → Terminal 3 (E)

Taillight comes on

Battery positive (+) → Terminal 2 (STP)

Battery negative (-) → Terminal 3 (E)

Stop light comes on

Battery positive (+) → Terminal 4 (TRN1)

Battery negative (-) → Terminal 3 (E)

Turn signal light comes on*1

Battery positive (+) → Terminal 4 (TRN1) and 6 (TRN2)

Battery negative (-) → Terminal 3 (E)

Turn signal light comes on*2

  • *1: for Turn Signal Light Bulb Type
  • *2: for Turn Signal Light LED Type

If the result is not as specified, replace the rear combination light assembly RH.

*a

Component without harness connected

(Rear Combination Light Assembly RH)

    Disassembly
    DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. REMOVE REAR COMBINATION LIGHT CAP (for LE ...

    Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL REAR COMBINATION LIGHT LENS AND BO ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Clearance Warning Buzzer (for Rear Side With Rear No. 2 Seat): Installation
    INSTALLATION PROCEDURE 1. INSTALL NO. 2 CLEARANCE WARNING BUZZER (a) Connect the connector. (b) Engage the clamp to install the No. 2 clearance warning buzzer. 2. INSTALL DECK TRIM SIDE PANEL ASSEMBLY RH Click here 3. INSTALL NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY Click here 4. INSTALL ROPE HO ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
    DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT: A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly. ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0124