If the XR25 gives no information on the nature of the origin of the fault,
check the adjustment and tightness of the automatic transmission control.
Check the condition of the high voltage ignition leads and their
routing.Replace the leads if necessary.
Does the fault persist?
Check that the kickdown switch wire is connected to the
accelerator cable compensator.
Reconnect it if necessary.
After the operation, does the fault persist?
Are the kickdown switch wires sufficiently far away form the high
Check that all the high voltage connections are correct
(oxidation, tightness on plugs, coil, distributor...).
AUTOMATIC TRANSMISSION
Fault finding aid
Chart 41 : Random gear changes.
After the operation, does the fault persist?
yes
yes
yes
voltage leads?
yes
After the operation, does the fault persist?
23-264
no
no
Correct
no
Correct
no
Repair.
yes
23
no
Correct
3DMXTT1.0