AD07.51-S-3000A | Fuel injection and ignition system (HFM-SFI) diagnosis, function check actual values | 9.6.97 |
ENGINE 104.900 in MODEL 638
Fuel injection and ignition system diagnosis, advanced information | |||
Function check | |||
Actual value no. Meaning | Operation/Requirement | Specified value | Possible cause/Remedy |
01 Engine speed | Engine: Idling Coolant temperature: > 80°C |
750 50 rpm | |
03 Coolant temperature | Ignition: ON Evaluate temperature range | >80°C | &.3.3.(AD07.51-S-6000-09A) |
04 Lambda control | Engine: Idling (steady state) In the event of a complaint the Lambda control must be measured at idle speed and at 2500 rpm with the purge line (to engine) disconnected and sealed. | 020 % | |
05 Ignition advance angle | Engine: Idling Coolant temperature: > 80°C The ignition advance angle is also used to stabilize idle speed and therefore the ignition advance angle may briefly deviate 10° from the specified value. |
3 -9 ° CKA before TDC | |
06 Injection time | Engine: Idling Coolant temperature: > 80°C | 2.6 – 4.6 ms | |
07 Battery voltage | 11 - 14 V | ||
08 Exhaust gas recirculation EGR | Ignition: ON Coolant temperature: > 80°C Engine idling: EGR not operated Engine at part load: EGR operated |
NOT ACTIVE ACTIVE | |
09 Vehicle speed | Road test Evaluate vehicle speed | Displayed value = display in instrument cluster | |
10 Throttle valve angle | Ignition: ON Accelerator pedal: Not operated Wide open throttle operated |
Display: 4° 80° | |
11 Intake air temperature | Ignition: ON Evaluate temperature range | Outside temperature | |
12 Part-load self-adaptation | Ignition: ON Engine: at part-load operation > 1500 rpm | 10 % | |
13 Closed throttle position self-adaptation | Ignition: ON Engine: Idling | 10 % | |
14 EGR adaptation value | Ignition: ON Engine: Idling | 0 - 1.9 | |
15 Relative load | Ignition: ON Engine: Idling | 0 - 100 % | |
16 Vehicle speed | Road test | Display in km/h is the same as the vehicle speed display in instrument cluster | |
17 Engine operating condition | Road test Inertia fuel shutoff Acceleration enrichment Wide open throttle Part-load Closed throttle position |
SA BA VL TL LL | |
18 Idle speed control manipulated variable | Ignition: ON Engine: Idling | 0 - 25 % | |
19 Closed throttle position adaptation value | Ignition: ON Engine: Idling | <1.4 g/s | |
20 Throttle valve closed throttle position adjustment | Ignition: ON Engine: Idling | 15 % -30 % | |
21 Drive stage | Ignition: ON Brake operated Selector lever position: P R N D 3 2 1 |
ON OFF ON ON ON ON | |
22 Air conditioning on standby | Ignition: ON Air conditioning switch not operated Air conditioning switch operated |
OFF ON | |
22 Transmission intervention | Ignition: ON Transmission intervention not operated Transmission intervention operated |
OFF ON | |
23 A/C compressor | Ignition: ON Air conditioning switch not operated Air conditioning switch operated |
OFF ON | |
24 Oil pressure monitoring 0.3 bar | Ignition: ON Engine: Idling | CLOSED | |
25 Oil pressure monitoring 1.4 bar | Ignition: ON Engine: Idling | OPEN | |
30 Identification programmed | Ignition: ON Identification has already been carried out at least once Identification has never been carried out |
YES NO | |
31 Programming identification, locked | Ignition: ON Identification can no longer be carried out. Control module has been permanently assigned to the vehicle Identification can be carried out |
YES NO | |
32 Start enable | Ignition: ON Control module enables injected fuel quantity Control module does not enable injected fuel quantity |
YES NO | |
33 Immobilizer locked | Ignition: ON Valid communication has still not taken place between the engine control module and immobilizer and the immobilizer is locked Valid communication has taken place between the engine control module and immobilizer and the immobilizer is unlocked |
YES NO | |
34 Immobilizer and engine control module are compatible | Ignition: ON Immobilizer and engine control module are compatible Immobilizer and engine control module are not compatible |
| |
35 Starter counter | Ignition: ON Number of times engine is started after "Programming identification" carried out without locking | ||
40 Cruise control operating lever Resume | Ignition: ON CC switch in resume position operated not operated |
ON OFF | |
41 Cruise control stop lamp switch | Ignition: ON Brake pedal: not operated operated |
OFF ON | |
42 Cruise control operating lever OFF | Ignition: ON Cruise control switch in OFF position operated not operated |
ON OFF | |
43 Cruise control operating lever Set/Accelerate | Ignition: ON Cruise control switch in accelerate position operated not operated |
ON OFF | |
44 Cruise control operating lever Set/Decelerate | Ignition: ON Cruise control switch in decelerate position operated not operated |
ON OFF | |
45 Cruise control brake test switch | Ignition: ON Brake pedal: not operated operated |
ON OFF | |
46 Cruise control operating lever monitoring switch contact | Ignition: ON Operate cruise control switch in all 4 possible positions operated not operated |
ON OFF | |
47 Cruise control specified vehicle speed | km/h | ||
48 Cruise control actual vehicle speed | km/h | ||
50 Secondary-air system function finished | Ignition: ON Start engine Secondary-air system works Secondary-air system does not work |
ON OFF | |
51 TMOT at start | Ignition: ON TMOT present TMOT not present TMOT = Value for engine temperature in control module test program This actual value indicates whether the engine temperature was in the valid range while starting |
ON OFF | |
52 Secondary air-system can be activated | Ignition: ON Start engine Secondary-air system conditions met Secondary-air system conditions not met |
ON OFF | |
53 Secondary air injection pump | Ignition: ON Start engine Secondary air injection pump switched on Secondary air injection pump not switched on |
ON OFF | |
54 Secondary air valve | Ignition: ON Start engine Secondary air valve switched on Secondary air valve not switched on |
ON OFF |
Referenced documents
- ad0751s2000a Fuel injection and ignition system (HFM-SFI) diagnosis, advanced information
- ad0751s600001a Engine control module (HFM-SFI), terminal 30, testing electrical system of fuel injection system (HFM-SFI)
- 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)
- 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)
- 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)
- ad0751s600073a Cruise control stop lamp switch, testing electrical system of fuel injection and ignition system (HFM-SFI)
- 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
- 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)