Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Owners Manual > Driving tips: Utility vehicle precautions
    This vehicle belongs to the utility vehicle class, which has higher ground clearance and narrower tread in relation to the height of its center of gravity. Utility vehicle feature Specific design characteristics give it a higher center of gravity than ordinary passenger cars. This vehic ...

    Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Definition Of Terms
    DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic. ...

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

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

    © 2025 Copyright www.lexusrx.net
    0.0181