MQB door lights

Connection between door light location, wiring power supply, and door module coding in MQB vehicles.

Modules

Driver

• P/N: 5Q0-959-593-B
• Address: 0x42
• Symbol: J386

Front Passenger

• P/N: 5Q0-959-592-B
• Address: 0x52
• Symbol: J387

Rear Left / Driver Side

• P/N: 5Q0-959-595-B
• Address: 0xBB
• Symbol: J926

Rear Right / Passenger Side

• P/N: 5Q0-959-595-B
• Address: 0xBC
• Symbol: J927

Coding

All 4 modules use the same scheme for long coding.

Byte 01, bit 0: → Door Entry Lights / Front Field Light in Mirror
Byte 01, bit 1: → Ambient Lighting / Ambient Strip
Byte 01, bit 2: → Door Exit/Warning Lights / Puddle Light + Red Warning Light
Byte 01, bit 3: → Interior Door Handle Illumination / 
Byte 01, bit 4: → Mirror Turn Signal / Turn Signal Repeater
Byte 01, bit 6: → Mirror/DoorHandle/Speaker Lights / Loudspeaker Illumination

Byte 01, bit 5: → Door Entry lights inactive with mirrors folded

Pinout

Audi A3 (8V) MK3

Front:

* T16/3 → related to L131/L132 (ground?)
* T16/11 → L131/L132 Turn signal

* T20/3 → L223/L224 Loudspeaker light

* T32/1 → K133 SAFELOCK warning lamp
* T32/3 → L219/L220 Front Door handle light
* T32/5 → GND
* T32/8 → W86/W87 Front Ambient lighting
* T32/16 → W92/W93 Front Entry light; W30/W36 Front Warning lamp; W67/W68 Sill Panel

Rear:

* T16/1 → L221/L222 Rear Door handle light
* T16/3 → W88/W89 Rear Ambient Lighting
* T16/12 → W83/W84 Rear Entry light; W90/W91 Rear Warning lamp
* T16/13 → GND