Diagnostic Manual, Engines, Volume 2
Hydraulic Test Program - Test (Injector Test)
Test step
DTC |
Test scope
|
Test connection
|
Test condition
|
Nominal value
|
Possible cause/Remedy
|
| 1.0 |
Injectors
Leakage test |
N3/2 or N3/3
66  76
(1.25) (1.35)
|
Fuel rail with injectors removed.
Ignition: ON |
Injectors must not drip. |
Replace dripping injectors. |
| 1.1 |
Injectors
Operation and spray pattern test |
N3/2 or N3/3
66 76
(1.25) (1.35)
|
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 64 (-) and 65 (+). |
Injectors must spray evenly (Figure 1). |
Replace defective injectors. |
|
Printable version
