AN54.21-W-0002E | Retrofit parameterizable special module (PSM) | 14.2.12 |
MODEL 950.5 /6, 952.5 /6, 953.6, 954.5
Retrofit code EM7 or EM8
W54.21-1057-09
1 Cab-chassis connector plate cover
2 Air scoop
A7 Base module
A22 PSM control unit
X3 PSM control unit connector
X4 PSM control unit connector
X6 Connector for base module terminal 31
X9 Connector for base module terminal 15
X11 Connector for base module terminal 30
Z1 Vehicle CAN bus star point
| Removing | ||
| General information on retrofitting | ||
1 | Connect STAR DIAGNOSIS to diagnostic socket, switch on ignition | ||
| Print out check-in report. | ||
Danger! | Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices | No fire, sparks, open flames or smoking. Wear acid-resistant gloves and clothing and safety glasses with side guards. Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground. Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers. | |
2 | Disconnect ground lead from battery | ||
3 | Remove air scoop (2). | ||
4 | Remove cab - chassis connector plate cover (1). | ||
5 | Remove footwell cover on right. | ||
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6 | Fold out implement carrier with base module (A7). | ||
| Install | ||
7 | Retrofit PSM wiring harness. | ||
| Wiring diagram for base module | ||
| PSM wiring diagram | ||
| PSM control unit connector assignment | ||
| Parameterizable special module (PSM), technical data | ||
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8 | Install in the reverse sequence. | Operation steps 6 to 2 | |
9 | Parameterize PSM control unit in instrument (INS). | ||
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10 | Parameterize PSM control unit in FR/FMR control unit. | ||
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11 | Parameterize PSM control unit. | ||
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12 | Document retrofitting of PSM control unit and auxiliary assemblies in FDOK. |
Unlocking tool for SPT / JPT contacts
210 589 02 33 00
Commercially available tools
Number | Designation | |
WH58.30-Z-1049-13A | STAR DIAGNOSIS Compact diagnostic system for commercial vehicles | 651 131 10 00 |
Parts ordering notes
Part no. | Designation | Quantity |
A000 446 04 46 | PSM control unit | 1 |
A949 540 88 32 | Wiring harness for LHD vehicles | 1 |
A949 540 0032 | Wiring harness RHD vehicles | 1 |
A013 545 63 26 | 15-pin connection plug for PSM control unit (for body) | 1 |
A013 545 64 26 | 18-pin connection plug for PSM control unit (for body) | 3 |