Ford Corsar Repair Manual page 290

Table of Contents

Advertisement

TROUBLE DIAGNOSES
Consult (Cont'd)
FUNCTION
WORK SUPPORT MODE
Diagnostic mode
Work support
Self-diagnostic results
Data monitor
Active test
E.C.U. part numbers
Function
This mode enables a technician to adjust some devices faster and more accu-
rately by following the indications on the CONSULT unit.
Self-diagnostic results can be read and erased quickly.
Input/Output data in the control unit can be read.
Mode in which CONSULT drives some actuators apart from the control units
and also shifts some parameters in a specified range.
E.C.U. part numbers can be read.
SELF-DIAGNOSTIC RESULTS MODE
USAGE
When adjusting throttle sen-
sor initial position,
When adjusting initial igni-
tion timing,
When adjusting idle speed,
When releasing fuel pressure
from fuel line,
WORK ITEM
THROTTLE SENSOR
ADJUSTMENT
IGNITION TIMING
ADJUSTMENT*
AAC VALVE ADJUSTMENT
FUEL PRESSURE RELEASE
-
'
: Check items causing a malfuction of crank angle senser circuit first, if both "CRANK ANGLE SENSOR" and "IGN
SIGNAL-PRIMARY" come out at the same time.
ES-126
CONDITION
CHECK THE THROTTLE SENSOR SIGNAL.
ADJUST IT TO THE SPECIFIED VALUE BY ROTATING THE
SENSOR BODY UNDER THE FOLLOWING CONDITIONS.
l
IGN SW "ON"
l
ENG NOT RUNNING
ACCPEDALNOTPRESSED
l
IGNITION TIMING FEEDBACK CONTROL WILL BE HELD
BY TOUCHING "START".
AFTER DOING SO, ADJUST IGNITION TIMING WITH A
TIMING LIGHT BY TURNING THE CRANK ANGLE SEN-
SOR.
SET ENGINE RPM AT THE SPECIFIED VALUE UNDER THE
FOLLOWING CONDITIONS.
l
ENGINE WARMED UP
l
NO-LOAD
l
FUEL PUMP WlLL STOP BY TOUCHING "START" WHEN
IDLING.
CRANK A FEW TIMES AFTER ENGINE STALLS.
CHECK ITEM (REMEDY)
0
Harness and connector
(If harness and connector
are normal, replace crank
angle sensor.)
l
Harness and connector
(If harness and connector
are normal, replace air
flow meter.)
l
Harness and connector
l
Engine temperature sensor
l
Harness and connector
l
Air temperature sensor
DIAGNOSTIC ITEM
CRANK ANGLE SENSOR*
AIR FLOW METER
ENGINE TEMP SENSOR
AIR TEMP SENSOR
DIAGNOSTIC ITEM IS DETECTED WHEN
...
l
Either 1" or 180' signal is not entered for the first few
seconds during engine cranking.
l
Either 1" or 180" signal is not input often enough w h ~ l e
the engine speed is higher than the specified rpm.
l
The air flow meter circuit is open or shorted.
(An abnormally high or low voltage is entered.)
l
The engine temperature sensor circuit is oRen or
shorted.
(An abnormally high or low output voltage is entered.)
l
The air temperature sensor circuit is open or shorted.
(An abnormally high or low voltage is entered.)

Advertisement

Table of Contents
loading

Table of Contents