83E-17
MR-413-X44-83E000$924_eng.mif
V2
83E
REV COUNTER INSTRUMENT
Fault finding - Fault Finding Chart
ALP1 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 communication with the second vehicle is impossible, follow the instructions in the CLIP diagnostic tool test
section.
If dialogue with the second vehicle is possible, follow the instructions in the Vehicle check section.
DIAGNOSTIC
TOOL CHECK
Check the cleanliness and condition of the diagnostic socket contacts on 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 Techline.
Check the electrical voltage of the battery.
Check the cleanliness and condition of the battery terminals.
Check the condition of the battery earth cable and ensure that there is a good
electrical connection with the bodywork.
Check the condition and correct connection of the rev counter connector, component
code 995.
If there is a repair method (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair) repair the connector, otherwise replace the wiring.
Check rev counter supply fuse F18 (15 A) on the passenger compartment fuse box
component code 1016, and the status and cleanliness of the contacts.
Check the rev counter after ignition feed supply fuse F2 (15A) on the passenger
compartment fuse box, component code 1016, and the condition and cleanliness
of the contacts.
VEHICLE CHECK
CPT_V04_ALP01
Vdiag No.: 04
MR-413-X44-83E000$924_eng.mif
83E-18
MR-413-X44-83E000$924_eng.mif
V2
Vdiag No.: 04REV COUNTER INSTRUMENT
Fault finding - Fault Finding Chart83E
ALP1
CONTINUED
NOTESVehicle under + after ignition feed.
VEHICLE CHECK
Use the Universal bornier to check the following tracks on the vehicle diagnostic
socket:
Connection BP19 "+ protected battery feed" of the diagnostic socket, component
code 225.
Connection MAN "Right-hand dashboard cross member electronic earth" of the
diagnostic socket, component code 225.
Connection MAM "Left-hand dashboard cross member earth" of the diagnostic
socket, component code 225.
Check the earth of connections MAM and MAN of the rev counter, component
code 995.
If the earth of connections MAM and MAN is poor, check the insulation to + 12 V and
the continuity of the following connections:
MAM and MAN of the rev counter, component code 995.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair) repair the wiring, otherwise replace it.
Check for + 12 V on connection AP71 and connection BP6 of the rev counter,
component code 995.
If there is no + 12 V, check the insulation to earth and the continuity of the following
connections:
AP71 and BP6 of the rev counter, component code 995.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair) repair the wiring, otherwise replace it.
If the fault is still present, contact Techline.
