Scan Tool Operating Instructions - AK Automotive Training

Manufacturer Applications
Table 41 - Fuel Injection Pump Status
Relevant when '1' is displayed in the 8-digit blocks
X X X X X X X X Display group 18 - Line 3
1 Constant voltage supply to metering solenoid
valve
1 Metering solenoid valve defective
1 Injection pump speed sensor defective
1 Timing adjustment defective
1 Commencement of injection not recognised
1 See WSM
1 Engine speed not recognised
1 Data wiring defective
Table 42 - Fuel Quantity Diagnosis Operating Conditions
Relevant when '1' is displayed in the 3-digit blocks
X X X Display group 20 - Line 1
1 'Refuel' warning from instrument cluster
1 'Tank almost empty' signal from sender
1 'Tank empty' signal from sender
Table 43 - Group 20 Injection Conditions
Relevant when '1' is displayed in the 5-digit blocks
X X X X X Display group 20 - Line 2
1 'Switch off' being prepared
1 Not assigned
1 Engine start prevented due to low fuel
level
1 Engine stopped after starting due to low
fuel level
1 Engine stopped - no fuel
Engine Codes: AFF, AHU and AHH
Display Group Description
1 Injected 1. Engine speed.
Quantity
2. Injection quantity.
3. Modulating piston movement sensor voltage.
4. Engine coolant temperature.
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