Selector Lever In 'P" Range; Diagnostic Procedure 8; (Symptom: There Is Large Shock When Changing From "N" To "R" Range - Ford Corsar Repair Manual

TROUBLE-SHOOTING AND DIAGNOSES
p G q
Dropping resistor
Diagnostic Procedure 8
SYMPTOM:
There is large shock when changing from "NW to "R" range.
Check engine idling
p p
speed.
Adjust engine idling speed.
-
Refer to section
ES.
O.K.
v
Does self-diagnosis show damage
+
Yes
Check damaged circuit.
-
Refer
to throttle sensor, line pressure
C
to "Self-diagnosis".
solenoid or fluid temperature
sensor circuit?
Check throttle sensor.
-
Refer
Repair or replace thrpttle sensor.
to section ES.
1
Check line pressure at idle with
1. Remove control valve assem-
selector lever in
"D"
range.
bly.
-
Refer to "ON-VEHI-
-
Refer to "PRESSURE
CLE SERVICE".
TESTING".
2.
Check the following items.
0.
K.
Valves to control line pressure
(Pressure regulator valve, pilot
valve and oil filter)
Line pressure solenoid
7
i
1. Perform AIT control unit
inputloutput signal inspection.
2. If N.G., recheck AIT control
unit pin terminals for damage
or connection of AIT control
unit harness connector.