PINPOINT TEST J: AN INDICATOR IS INOPERATIVE/ALWAYS ON — O/D OFF
PINPOINT TEST K: AN INDICATOR IS INOPERATIVE/ALWAYS ON — LOW ENGINE COOLANT
Is the resistance less than 5 ohms?
Yes
INSTALL a new instrument cluster. REFER to
Instrument Cluster
. CLEAR the DTCs. REPEAT the self-test.
No
REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
CONDITIONS
DETAILS/RESULTS/ACTIONS
J1
DETERMINE THE CONCERN
Observe the O/D OFF indicator.
Is the O/D OFF indicator always on?
Yes
GO to
J2
.
No
GO to
J3
.
J2
CHECK THE HEC
Instrument Cluster C250
Observe the O/D OFF indicator.
Did the indicator turn off?
Yes
REFER toPowertrain Control/Emissions Diagnosis (PC/ED) manual.
No
INSTALL a new instrument cluster; REFER to
Instrument Cluster
. CLEAR the DTCs. REPEAT the self-test.
J3
CHECK THE HEC OPERATION
Carry out the HEC Dealer Test Mode.
Did the O/D OFF indicator illuminate?
Yes
REFER toPowertrain Control/Emissions Diagnosis (PC/ED) manual.
No
INSTALL a new instrument cluster; REFER to
Instrument Cluster
. CLEAR the DTCs. REPEAT the self-test.
CONDITIONS
DETAILS/RESULTS/ACTIONS
K1
CHECK THE LOW ENGINE COOLANT INDICATOR OPERATION
Page 19 of 32
1999 Mustang Workshop Manual
1/18/2013
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSXB/~MUS~LEN/20/...
