The unit uses standard ISO 10487 connectors alongside Mini-ISO ports for expanded functionality. A2 & A3: Comfort VAN Data Bus (A and B) A4: +VAN Comfort power A6: +12V Ignition Power (Switched) A7: +12V Main Power (Permanent) A8: Ground (Chassis) Connector B (Speakers - White) B1/B2: Rear Right (+/-) B3/B4: Front Right (+/-) B5/B6: Front Left (+/-) B7/B8: Rear Left (+/-) Mini-ISO Connectors (C1–C20)
Siemens VDO RD3-01 Service Manual: The Ultimate Repair & Troubleshooting Guide
+-----------------------+-----------------------+ | BLOCK B (Speakers) | BLOCK A (Power) | | [ 1 ] [ 3 ] [ 5 ] [ 7]| [ 1 ] [ 3 ] [ 5 ] [ 7] | | [ 2 ] [ 4 ] [ 6 ] [ 8]| [ 2 ] [ 4 ] [ 6 ] [ 8] | +-----------------------+-----------------------+ | BLOCK C (Mini-ISO) | | [1-6] Changer [7-12] Display [13-20] Aux | +-----------------------------------------------+ Block A: Power Connector (Black) VAN Bus (Data) Pin 2: VAN Bus (Data Bar) Pin 3: Steering Wheel Controls (Remote input) Pin 4: Permanent +12V Battery Supply (Memory) Pin 5: Switched Aerial / Amplifier Trigger Output Pin 6: Illumination Signal (+12V when lights are on) Pin 7: Ignition Switched +12V (Acessory) Pin 8: Ground (Chassis Earth) Block B: Speaker Connector (Brown) Pin 1: Rear Right Speaker (+) Pin 2: Rear Right Speaker (-) Pin 3: Front Right Speaker (+) Pin 4: Front Right Speaker (-) Pin 5: Front Left Speaker (+) Pin 6: Front Left Speaker (-) Pin 7: Rear Left Speaker (+) Pin 8: Rear Left Speaker (-) Block C: Mini-ISO Connector (Yellow/Green/Blue) Pins 1–6 (Blue): External CD Changer Interface Pins 7–12 (Green): Remote Dashboard Display Communication Pins 13–20 (Yellow): Auxiliary Input / Telephone Mute Common Failures & Diagnostic Steps 1. The "Beeping" Noise After Installation
: Found in plaintext at the end of the EEPROM (offsets 0xFEF to 0xFFF ). Modifying this allows the radio to be swapped into a different vehicle without "beeping".
The unit uses standard ISO 10487 connectors alongside Mini-ISO ports for expanded functionality. A2 & A3: Comfort VAN Data Bus (A and B) A4: +VAN Comfort power A6: +12V Ignition Power (Switched) A7: +12V Main Power (Permanent) A8: Ground (Chassis) Connector B (Speakers - White) B1/B2: Rear Right (+/-) B3/B4: Front Right (+/-) B5/B6: Front Left (+/-) B7/B8: Rear Left (+/-) Mini-ISO Connectors (C1–C20)
Siemens VDO RD3-01 Service Manual: The Ultimate Repair & Troubleshooting Guide siemens vdo rd3 01 service manual full
+-----------------------+-----------------------+ | BLOCK B (Speakers) | BLOCK A (Power) | | [ 1 ] [ 3 ] [ 5 ] [ 7]| [ 1 ] [ 3 ] [ 5 ] [ 7] | | [ 2 ] [ 4 ] [ 6 ] [ 8]| [ 2 ] [ 4 ] [ 6 ] [ 8] | +-----------------------+-----------------------+ | BLOCK C (Mini-ISO) | | [1-6] Changer [7-12] Display [13-20] Aux | +-----------------------------------------------+ Block A: Power Connector (Black) VAN Bus (Data) Pin 2: VAN Bus (Data Bar) Pin 3: Steering Wheel Controls (Remote input) Pin 4: Permanent +12V Battery Supply (Memory) Pin 5: Switched Aerial / Amplifier Trigger Output Pin 6: Illumination Signal (+12V when lights are on) Pin 7: Ignition Switched +12V (Acessory) Pin 8: Ground (Chassis Earth) Block B: Speaker Connector (Brown) Pin 1: Rear Right Speaker (+) Pin 2: Rear Right Speaker (-) Pin 3: Front Right Speaker (+) Pin 4: Front Right Speaker (-) Pin 5: Front Left Speaker (+) Pin 6: Front Left Speaker (-) Pin 7: Rear Left Speaker (+) Pin 8: Rear Left Speaker (-) Block C: Mini-ISO Connector (Yellow/Green/Blue) Pins 1–6 (Blue): External CD Changer Interface Pins 7–12 (Green): Remote Dashboard Display Communication Pins 13–20 (Yellow): Auxiliary Input / Telephone Mute Common Failures & Diagnostic Steps 1. The "Beeping" Noise After Installation The unit uses standard ISO 10487 connectors alongside
: Found in plaintext at the end of the EEPROM (offsets 0xFEF to 0xFFF ). Modifying this allows the radio to be swapped into a different vehicle without "beeping". Modifying this allows the radio to be swapped