Ford ST1137-A, Руководство пользователя

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413-01-23 413-01-23 Instrument Cluster
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST K: THE SAFETY BELT INDICATOR IS INOPERATIVE (CHIME IS OPERATIVE)/DOES NOT
OPERATE CORRECTLY (Continued)
Test Step Result / Action to Take
K3 CHECK THE GEM FOR AN INTERNAL OPEN OR A SHORT
(Continued)
• Monitor the safety belt warning indicator when turning the
Yes
ignition from the OFF to the ON position.
GO to K10 .
• Key in ON position.
• Did the safety belt warning indicator illuminate for
No
approximately 3 seconds and turn off? GO to K4 .
K4 DETERMINE IF SAFETY BELT INDICATOR CIRCUIT IS
SHORTED TO GROUND
• Buckle the driver safety belt.
Yes
• Is the safety belt indicator always on? GO to K5 .
No
GO to K7 .
K5 CHECK IF THE GEM IS INTERNALLY GROUNDED
• Key in OFF position.
Yes
• Disconnect: GEM C201e.
GO to K6 .
• Key in ON position.
• Observe the safety belt warning indicator.
No
• Is the safety belt warning indicator always on? GO to K10 .
K6 CHECK CIRCUIT 450 (DG/LG) FOR A SHORT TO GROUND
• Key in OFF position.
• Disconnect: Instrument Cluster C220a.
• Measure the resistance between the GEM C201e pin 26, circuit
450 (DG/LG), harness side and ground.
Yes
GO to K11 .
No
REPAIR the circuit. TEST the system for
• Is the resistance greater than 10,000 ohms? normal operation.
K7 CHECK CIRCUIT 450 (DG/LG) FOR A SHORT TO BATTERY
• Key in OFF position.
• Disconnect: GEM C201e.
• Disconnect: Instrument Cluster C220a.
(Continued)
2003 Mustang, 8/2002