Gas injection and ignition system (PMS), diagnosis. Function check over actual values

AD07.54-D-3000A

Gas injection and ignition system (PMS), diagnosis. Function check over actual values

25.11.2019

Engine

111.979 in model 902.0, 903.0, 904.0

with code MS7 (NGT (Natural-Gas Technology) Sprinter)

 Danger

Risk of explosion due to escaping combustible gas or overheating of gas cylinders.Risk of injury caused by burns to skin and eyes. Risk of frostbite to body parts caused by escaping gas and by touching components near the valves when emptying gas cylinders. Risk of poisoning or suffocation caused by inhaling gas.

Remove any sources of ignition.
Protective clothing, safety gloves and safety glasses must always be worn.
Ensure that the work area is adequately ventilated.
When working on vehicles at ambient temperatures over 60 °C, all gas cylinders must be removed.

AS00.00-Z-0018-01A

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Diagnosis of gas injection and ignition system, prerequisites

AD07.54-D-2000A

Test step

Check

1

Function check via actual values, idle diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-01A

2

Function check via actual values, engine diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-02A

3

Function check via actual values, cold start diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-03A

4

Function check via actual values, warm-up diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-04A

5

Function check via actual values, dynamometer diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-05A

6

Function check via actual values, immobilizer diagnosis, gas injection and ignition system, PEC

AD07.54-D-3000-06A