DOCUMENT TECHNICAL CONTENTS & VERIFIED SCHEMATIC / PCB PREVIEW
VERIFIED ENGINEERING SPEC
This 6-page dealer manual details the procedure for replacing the electrical module of the ignition switch on the Citroen Picasso. It also provides a step-by-step guide for retrofitting an A/C blower control relay, including specific wiring modifications to the BSI and power supply lines.
WHAT IS INSIDE THIS DOCUMENT (CIRCUITS, PINOUTS & SECTIONS):
- Replacement of the ignition switch electrical module
- Installation of the A/C blower motor control relay
- Re-routing of the blower power supply wire (KH40)
- Connection of the battery positive feed (BM13)
- Integration of the engine running signal from the BSI
- Relay grounding and final wiring harness inspection
1. TECHNICAL PASSPORT & EXTRACTED ROM IDENTIFIERS (BINARY TRUTH)
SKU: ECU-74122
| Vehicle brand & model / Engine | Peugeot / Citroen / Renault |
|---|---|
| ECU family & processor (MCU) | IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) / IMMO / Security MCU |
| Internal ROM project (Project ID) | — |
| Calibration identifier (STC) | — |
| Bosch software number (10SW / 1037) | — |
| Bosch hardware number (0281 / 0261) | — |
| Compatibility code block (CompID) | — |
| Engineering file name | Citroen Picasso: Ignition Switch Replacement and A/C Blower Relay Retrofit Manual (6p PDF) [#74122] |
| Category / Package | wiring_doc / immo-bcm-cas-key |
| Exact size & SHA-256 checksum | 714,179 bytes • 9f451ed1fa1483a239a93c05ae44bfba02403a0a5daebf0394b466d62abcdf57 |
3. FREQUENT ENGINEERING QUESTIONS ABOUT THIS FILE (SCHEMA.ORG FAQPAGE)
E-E-A-T INDEX
Q: Which ECU and engine is the file Citroen Picasso: Ignition Switch Replacement and A/C Blower Relay Retrofit Manual (6p PDF) [#74122] (9001 T, 6567 VW, BRE0612C, D-406-0001, D-406-0003, BSI (Smart Control Box), 9927 12, ZX9001T) for?
This engineering .PDF file targets the IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) control unit (IMMO / Security MCU MCU) used on Peugeot / Citroen / Renault vehicles. Extracted ROM markers: 9001 T, 6567 VW, BRE0612C, D-406-0001, D-406-0003, BSI (Smart Control Box), 9927 12, ZX9001T.
Q: Is the dump Citroen Picasso: Ignition Switch Replacement and A/C Blower Relay Retrofit Manual (6p PDF) [#74122] verified for authenticity and checksums?
Yes. The automated ROM analyzer verified the size (714,179 bytes), the SHA-256 checksum (9f451ed1fa1483a239a93c05) and the internal firmware project identity (IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY)).
Q: What wiring diagrams, pinouts and fault codes are inside the document Citroen Picasso: Ignition Switch Replacement and A/C Blower Relay Retrofit Manual (6p PDF) [#74122]?
This technical document (Citroen Picasso: Ignition Switch Replacement and A/C Blower Relay Retrofit Manual (6p PDF) [#74122]) contains wiring diagrams, ECU connector pinouts for IMMO / BCM / Keys (CAS / FEM / BDC / EIS / KESSY) and diagnostic test procedures for Peugeot / Citroen / Renault .
4. ALL RELATED FILES OF THIS FOLDER, BRAND & ECU (FIRMWARE, MAPS, DIAGRAMS, CODING & VIDEOS)
BUNDLE: immo-bcm-cas-key
WHOLESALE PACK -94% (ALL FILES AT ONCE)
DEDUPLICATED • VERIFIED (COPIES REMOVED: 8)
Download the whole set of related files (33 unique files in one archive)
Individually, all 33 paid files cost $3,000. Buying the whole pack applies the wholesale discount -94% (save $2,835) + 0 free diagrams/photos!
Retail total: $3,000
$165
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