Section04ENGINEMANAGEMENT(15034-TEC)
Subsection 02 (DIAGNOSTIC PROCEDURES)
DIAGNOSTIC PROCEDURES
SERVICE TOOLS
Description Part Number Page
VCK (Vehicle Communication Kit).........................................
529 035 981 ......................................... 105
GENERAL
Here is the basic order suggested to diagnose a
suspected engine management or fuel injection
related problem.
– Check the chart in TROUBLESHOOTING sec-
tion to have an overview of problems and sug-
gested solutions.
– Check if there is a message displayed by the
vehicle information center. If so, use the VCK
(Vehicle Communication Kit) and look for fault
codes to diagnose the trouble.
NOTE: Fault codes, the letter P — followed by 4
digits (P-1234), can be displayed in the informa-
tion center for troubleshooting. With safety lan-
yard on its post, press 5 times the SET button to
start the display of P-codes (onboard diagnostic).
Press MODE to scroll codes if more than one is
present. When the “list” is over, END will appear.
When END appears, press MODE to exit.
F18L09D
1
1. Press 5 times to activate display of P-codes (onboard diagnostic)
F18L09C
1
1. Press to scroll if more than one P-code
F18L09C
1
1. When END appears, press MODE to exit
– Check all fuses.
– Check fuel rail pressure.
– Check spark plugs condition.
– Check fuel pump pressure.
– Check all connections of the wiring harness.
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