AD80.57-S-6000A | Drive authorization system shut-off valve (DSV) test of electrical system | 15.8.97 |
MODEL 638
Connection and use of test equipment | |||
Drive authorization system shutoff valve (DSV), diagnosis previous knowledge | |||
| Drive authorization system shutoff valve (DSV), arrangement of components | ||
The cables, connectors and connections are taken into consideration when testing using the HHT and may have to be separately checked for open circuit, good contact and correct connection as per the valid wiring diagram if a fault is indicated. | |||
| Summary of electric wiring diagrams | Model 638 | |
Only disconnect control module connectors with ignition switched off | |||
a | Battery voltage > 9.5 V | With engine running, charge monitoring lamp off, all consumers switched on | |
b | Complete DAS system (all connectors connected) | ||
c | Connect Hand-held Tester (HHT), read out fault memory | ||
d | DSV engine control module correctly identified with RFL | ||
Testing | |||
1 | DSV electrical system testing, CAN cables | ||
2 | DSV electrical system testing, control module | ||
3 | DSV electrical system testing, start without drive authorization signal | ||
4 | DSV electrical system testing, drive authorization signal |
Referenced documents
- ad0000s1000az Connection and use of testing equipment
- ad0000s200003a Connecting Hand-Held Tester (HHT), reading fault memory
- ad8057s2000a Drive authorization system shut-off valve (DSV) diagnosis previous knowledge
- ad8057s600001a DConnector test of electrical system CAN lines
- ad8057s600002a DSV test of electrical system control module
- ad8057s600004a DSV test of electrical system starting without drive authorization signal
- ad8057s600005a DSV test of electrical system drive authorization signal
- gf8057s000401a Drive authorization system (DAS) shutoff valve, location of components
- pe8200s1100a Survey of wiring diagrams electrical system, body