Diagnostic Manual, Engines, Volume 2
Hydraulic Test Program - Test (Injector Test)
Test step
DTC |
Test scope
|
Test connection
|
Test condition
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Nominal value
|
Possible cause/Remedy 1)
|
| 1.0 |
Injectors
Leakage test |
N3/4
29  39
(1.29) (1.39)
|
Fuel rail and fuel injectors removed.
Ignition: ON |
Injectors must not drip. |
Replace dripping injectors,
 2.0. |
| 2.0 |
Injectors
Operation and spray pattern test
|
N3/4
29 39
(1.29) (1.39)
|
Ignition: ON
Hold each injector, one after another, into a container and, using the self-made test harness, manually activate the injector by connecting harness banana plugs to socket box sockets 32 (-) and 39 (+).
|
Injectors must spray evenly
(Figure 1). |
Replace defective injectors. |
1) Observe Preparation for Test, see  22 . |
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Printable version
