PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-225
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-225V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54PETROL INJECTION
Fault finding - Fault Finding Chart
ALP 1 No dialogue with the computer
NOTESNone.
Test the diagnostic tool on another vehicle which is in perfect working order.
Check that the sensor's green indicator light comes on.
If you cannot establish dialogue with the second vehicle, refer to CLIP diagnostic tool check.
If there is no dialogue with the second vehicle, follow the instructions in the Vehicle check section.
CLIP
DIAGNOSTIC
TOOL CHECK
VEHICLE CHECK
Check the cleanliness and condition of the diagnostic socket contacts which connect
to the vehicle.
Check the condition of the cable from the diagnostic socket to the sensor, and the
cleanliness and condition of the connections.
Check the sensor connections.
Check the condition of the cable from the sensor to the CLIP tool, and the cleanliness
and condition of the connections.
Check the cleanliness and condition of the CLIP socket.
If the fault is still present, contact the Techline.
Check the electrical voltage of the battery.
Check the cleanliness and condition of the battery terminals.
Check the condition and tightness of the cable going from the battery + terminal to the
Protection and Switching Unit.
Check the condition of the battery earth lead and that it makes good electrical contact
with the bodywork.
Check the injection computer earth terminal for cleanliness and make sure it is properly
connected to the bodywork.
Check the injection computer after ignition feed 5A fuse F18 as well as the condition
and cleanliness of the contacts.
AFTER REPAIRRepeat the conformity check from the start.
S3000_V4C_ALP1/S3000_V54_ALP1
MR-372-J84-17B050$940.mif
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-226
PETROL INJECTION
Fault finding - Fault Finding Chart
17B
17B-226V9 MR-372-J84-17B050$940.mif
S3000 Injection
Program No.: AD
Vdiag No.:4C / 54
ALP 1
CONTINUED 1
VEHICLE CHECK
CONTINUED 1Using the Universal bornier, check the following tracks on the vehicle's diagnostic
socket:
Track 1 + After ignition feed
Track 16 + battery feed
Tracks 4 and 5 Earth
Repair if necessary.
Disconnect the battery and the petrol computer.
Check the cleanliness and condition of the computer connections.
Using the Universal bornier, check the continuity of the multiplex line
communication lines:
Computer, connector A, track A4 track 6 Vehicle diagnostic socket
Computer, connector A, track A3 track 14 Vehicle diagnostic socket
If the fault is still present, check the condition of intermediate connector R262.
Repair if necessary.
Check the continuity of the K communication line:
Computer, connector A, track B4 track 7 of the vehicle diagnostic
socket
If the fault is still present, check the condition of the intermediate connector (R262).
Repair if necessary.
Disconnect the computer earth terminal connection from the negative battery terminal.
Check the continuity and insulation of the following tracks:
Petrol computer, connectorC,
track L1Earth terminal
Fuel computer, connectorC,
track M1Earth terminal
Petrol computer, connectorB,
track M1Earth terminal
Petrol computer, connectorB,
track L1Earth terminal
Repair if necessary.
AFTER REPAIRRepeat the conformity check from the start.
