AD07.51-S-6000A | Fuel injection system (HFM-SFI), testing electrical system | 9.6.97 |
ENGINE 104.900 in MODEL 638
| Location of HFM-SFI components | ||
| Electrical wiring diagrams | ||
| Disconnect control unit couplings only with ignition switched off | ||
| Note on measuring instrument / test connection column The numbers entered in brackets, e.g. (1.23) mean: 1= Coupling 1 in wiring diagram 23= Socket 23 in wiring diagram | ||
Connection and use of test equipment | |||
Fuel injection and ignition system (HFM-SFI) diagnosis, previous knowledge | |||
Fuel injection and ignition system, testing electrical system of HFM-SFI tools | |||
Socket box connection diagram, testing electrical system of HFM-SFI | |||
Coupling assignment for HFM-SFI control unit | |||
HFM-SFI control unit and immobilizer control unit are permanently configured after first initialization. The installation of a control unit "on trial" is therefore not possible | |||
Fuel injection and ignition system HFM-SFI diagnosis fault memory | |||
a | Ignition: OFF | ||
b | Connect test cable set with socket box on HFM-SFI control unit (A52) in accordance with connection diagram. | ||
Test | |||
1 | HFM-SFI control unit terminal 30, testing electrical system of fuel injection system HFM-SFI | ||
2 | Control unit voltage supply terminal 15, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
3 | Fuel pump relay, testing electrical system of fuel injection system (HFM-SFI) | ||
4 | Secondary airy pump relay, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
5 | Secondary air valve, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
6 | Intake manifold switch-over valve, testing electrical system (HFM-SFI) | ||
7 | EGR impulse valve, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
8 | Fuel tank vent valve, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
9 | Injection valve 1, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
10 | Injection valve 2, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
11 | Injection valve 3, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
12 | Injection valve 4, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
13 | Injection valve 5, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
14 | Injection valve 6, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
15 | Coolant temperature sensor, testing electrical system of fuel injection system HFM-SFI | ||
16 | Intake air temperature sensor, testing electrical system of fuel injection system HFM-SFI | ||
17 | Rpm sensor, testing electrical system of fuel injection system HFM-SFI | ||
18 | HFM-SFI control unit rpm signal, testing electrical system of fuel injection system HFM-SFI | ||
19 | Crankshaft position sensor, testing electrical system of ignition system HFM-SFI | ||
20 | Hot film mass airflow sensor 4-pin, testing electrical system of fuel injection system HFM-SFI | ||
21 | O2 sensor signal, testing electrical system of fuel injection system HFM-SFI | ||
22 | O2 sensor heating, testing electrical system of fuel injection system HFM-SFI | ||
23 | Knock sensor 1 testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
24 | Knock sensor 2 testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
25 | Vehicle speed signal, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.244 | |
26 | A/C compressor switch-on signal, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.244 with air conditioning system | |
27 | CAN data bus, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.244 | |
28 | CAN data bus, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.294 | |
29 | Diagnostic output, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.244 | |
30 | Diagnostic output, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.294 | |
31 | Immobilizer, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
32 | Throttle valve actuator, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
33 | Throttle valve potentiometer drive, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
34 | Throttle valve actuator potentiometer, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
35 | Idle speed switch, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
36 | Cruise control stop lamp switch, testing electrical system of fuel injection and ignition system (HFM-SFI) | ||
37 | Idle speed contact, testing electrical system of cruise control / idle speed control HFM-SFI | ||
38 | Cruise control push button, testing electrical system of cruise control / idle speed control HFM-SFI | ||
39 | Low pressure oil pressure switch, testing electrical system of fuel injection system HFM-SFI | ||
40 | High pressure oil pressure switch, testing electrical system of fuel injection system HFM-SFI | ||
41 | Oil pressure indicator lamp, testing electrical system of fuel injection system HFM-SFI | For engine 104.900 in model 638.244 | |
42 | Ignition coil, testing electrical system of ignition system HFM-SFI |
Referenced documents
- ad0000s1000az Connection and use of testing equipment
- ad0751s200002a Tools, fuel injection and ignition system (HFM-SFI), testing electrical system
- ad0751s200003a Connection diagram for socket box, testing electrical system (HFM-SFI)
- ad0751s200006a Coupling assignment for engine control module (HFM-SFI)
- ad0751s200008a Notes on fault memory
- ad0751s2000a Fuel injection and ignition system (HFM-SFI) diagnosis, advanced information
- ad0751s4000a Fuel injection and ignition system (HFM-SFI) diagnosis fault memory
- ad0751s600001a Engine control module (HFM-SFI), terminal 30, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600004a Hot film MAF sensor 4-pin, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600006a Fuel pump relay Checking electrical components for the HFM gasoline injection system
- ad0751s600009a ECT sensor, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600010a IAT sensor, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600011a Engine control module (HFM-SFI), engine speed signal, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600013a O2S signal, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600014a O2S heater, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600024a Vehicle speed signal, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600031a A/C compressor cut-in signal, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600041a CAN data bus, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600041b CAN data bus, testing electrical system of fuel injection system (HFM-SFI)
- ad0751s600051a Intake manifold switchover valve, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600054a Throttle valve actuator, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600056a Drive throttle valve potentiometer, testing electrical system of fuel injection and ignition system (HFM)
- ad0751s600057a Immobilizer, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600058a Secondary air injection pump relay, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600059a Secondary air injection valve, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600060a EGR cycle valve, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600061a Fuel tank vent valve, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600062a Control module, voltage supply, terminal 15, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600063a Throttle valve actuator potentiometer, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600064a Idle speed switch, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600065a Injection valve 1, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600066a Injection valve 2, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600067a Injection valve 3, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600068a Injection valve 4, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600069a Injection valve 5, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600070a Injection valve 6, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600071a Knock sensor 1, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600072a Knock sensor 2, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600073a Cruise control stop lamp switch, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600074a Diagnostic output, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600074b Fuel injection and ignition system (HFM-SFI) test of electrical system diagnostic output
- ad0751s600075a Speed sensor, testing electrical system of fuel injection and ignition system (HFM-SFI)
- ad0751s600081a HFM-SFI fuel injection system test of electrical system low pressure oil pressure switch
- ad0751s600082a HFM-SFI fuel injection system test of electrical system high pressure oil pressure switch
- ad0751s600083a HFM-SFI fuel injection system test of electrical system oil pressure indictor lamp
- ad0751s600106a Crankshaft position sensor Checking electrical components for the HFM ignition system
- ad0751s600120a HFM-SFI test of electrical system ignition system ignition coil
- ad0751s600204a CTP switch, testing electrical system of cruise control/idle speed control (HFM-SFI)
- ad0751s600208a CC switch, testing electrical system of cruise control/idle speed control (HFM-SFI)
- gf0751s000102a Hot film engine management (HFM-SFI) fuel injection and ignition system arrangement of components
- pe0751s2000a Wiring diagram HFM-SFI sequential multiport fuel injection/ ignition system