PINPOINT TEST G: A GAUGE IS INOPERATIVE — SPEEDOMETER/TACHOMETER
PINPOINT TEST H: THE ODOMETER IS INOPERATIVE
PINPOINT TEST I: THE SAFETY BELT INDICATOR IS INOPERATIVE/DOES NOT OPERATE CORRECTLY (CHIME IS OPERATIVE)
No
INSTALL a new instrument cluster; REFER to
Instrument Cluster
. REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
CONDITIONS
DETAILS/RESULTS/ACTIONS
G1
TEST THE INSTRUMENT CLUSTER
Carry out the HEC Dealer Test Mode.
Did the gauge sweep?
Yes
REFER to the Powertrain 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
H1
CHECK THE ODOMETER DISPLAY
Is the odometer displaying all dashes?
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
I1
CHECK IF THE GEM IS RECEIVING THE CORRECT IGNITION SWITCH STATUS
Monitor the GEM PIDs IGN_KEY, IGN_S, IGN_R, and IGN_A, while inserting the ignition key and cycling the
ignition switch through all the positions.
Did the PIDs agree with the ignition switch positions?
Yes
GO to
I2
.
No
REFER to
Section 211-05
.
I2
CHECK IF THE GEM IS RECEIVING THE CORRECT SAFETY BELT SWITCH STATUS
Monitor GEM PID D_SBELT while buckling and unbuckling the driver safety belt.
Did the PID display IN with the safety belt buckled and OUT with the safety belt unbuckled?
Yes
GO to
I3
.
No
REFER to
Section 413-09
.
I3
CHECK THE GEM FOR INTERNAL OPEN OR SHORT
Page 16 of 32
1999 Mustang Workshop Manual
1/18/2013
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSXB/~MUS~LEN/20/...
