Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Inspection

*a

Clockwise

*b

Counterclockwise

*c

Over-latch

*d

Full-latch

*e

Half-latch

*f

Open-latch

*g

Component without harness connected

(Back Door Lock Assembly)

Battery positive (+) → 4 (M+)

Battery negative (-) → 1 (M-)

Latch turns to open-latch position (rotates clockwise)

Battery positive (+) → 1 (M-)

Battery negative (-) → 4 (M+)

Latch turns to full-latch position (rotates counterclockwise)

3 (CLS) - 7 (E)

Full-latch

10 kΩ or higher

3 (CLS) - 7 (E)

Half-latch

10 kΩ or higher

3 (CLS) - 7 (E)

Half-latch → Open-latch

10 kΩ or higher → Below 1 Ω

3 (CLS) - 7 (E)

Open-latch

Below 1 Ω

3 (CLS) - 7 (E)

Open-latch

Below 1 Ω

3 (CLS) - 7 (E)

Open-latch → Half-latch

Below 1 Ω → 10 kΩ or higher

3 (CLS) - 7 (E)

Half-latch

10 kΩ or higher

3 (CLS) - 7 (E)

Full-latch

10 kΩ or higher

3 (CLS) - 7 (E)

Over-latch

10 kΩ or higher

2 (FSW) - 7 (E)

Open-latch

10 kΩ or higher

2 (FSW) - 7 (E)

Open-latch → Half-latch

10 kΩ or higher → Below 1 Ω → 10 kΩ or higher

2 (FSW) - 7 (E)

Half-latch

10 kΩ or higher

2 (FSW) - 7 (E)

Half-latch → Full-latch

10 kΩ or higher → Below 1 Ω → 10 kΩ or higher

2 (FSW) - 7 (E)

Full-latch

10 kΩ or higher

8 (CTY) - 7 (E)

Open-latch

Below 1 Ω

8 (CTY) - 7 (E)

Half-latch

Below 1 Ω

8 (CTY) - 7 (E)

Half-latch → Full-latch

Below 1 Ω → 10 kΩ or higher

8 (CTY) - 7 (E)

Full-latch

10 kΩ or higher

8 (CTY) - 7 (E)

Over-latch

10 kΩ or higher

(e) Check the operation of the selector switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

If the result is not as specified, replace the back door lock assembly.