Group 23 EMS 2 Diagnostic function
43
SID 2, Code 7.2 Unit injector cylinder 2#
Reason:
Electric fault.
Compression or unit injector faulty.
Reaction:
The engine runs on 5 cylinders.
Abnormal sound.
Deteriorating performance.
Cylinder balancing interrupted -> Uneven operation
at low rpms and low load.
Remedy:
Check contact pressure in socket 16 in the upper
cable glove (A) to the engine control module.
Check that the cable harness to the unit injectors
has not been damaged.
Check that connections to the unit injector have
not been damaged.
Check fuel feed pressure.
Check the valve clearance.
Run a compression test and check
cylinder #2.
SID 3, Code 7.3 Unit injector cylinder 3#
Reason:
Electric fault.
Compression or unit injector faulty.
Reaction:
The engine runs on 5 cylinders.
Abnormal sound.
Deteriorating performance.
Cylinder balancing interrupted -> Uneven operation
at low rpms and low load.
Remedy:
Check contact pressure in socket 32 in the upper
cable glove (A) to the engine control module.
Check that the cable harness to the unit injectors
has not been damaged.
Check that connections to the unit injector have
not been damaged.
Check fuel feed pressure.
Check the valve clearance.
Run a compression test and check
cylinder #3.
SID 4, Code 7.4 Unit injector cylinder 4#
Reason:
Electric fault.
Compression or unit injector faulty.
Reaction:
The engine runs on 5 cylinders.
Abnormal sound.
Deteriorating performance.
Cylinder balancing interrupted -> Uneven operation
at low rpms and low load.
Remedy:
Check contact pressure in socket 56 in the upper
cable glove (A) to the engine control module.
Check that the cable harness to the unit injectors
has not been damaged.
Check that connections to the unit injector have
not been damaged.
Check fuel feed pressure.
Check the valve clearance.
Run a compression test and check
cylinder #4.
SID 5, Code 7.5 Unit injector cylinder 5#
Reason:
Electric fault.
Compression or unit injector faulty.
Reaction:
The engine runs on 5 cylinders.
Abnormal sound.
Deteriorating performance.
Cylinder balancing interrupted -> Uneven operation
at low rpms and low load.
Remedy:
Check contact pressure in socket 48 in the upper
cable glove (A) to the engine control module.
Check that the cable harness to the unit injectors
has not been damaged.
Check that connections to the unit injector have
not been damaged.
Check fuel feed pressure.
Check the valve clearance.
Run a compression test and check
cylinder #5.

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