Ford Mustang 1999 - 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)

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
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1999 Mustang Workshop Manual
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18/
2013
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSXB/~MUS~LEN/20/
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