| C1779 |
(Single-zone EMTC only) Blower request signal circuit short to ground |
Go To PINPOINT TEST L: THE BLOWER MOTOR DOES NOT OPERATE CORRECTLY - EMTC
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| B2175 |
(Single-zone EMTC only) A/C request signal circuit short to ground |
Go To PINPOINT TEST I: THE AIR CONDITIONING (A/C) IS ALWAYS ON
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| B2513 |
Blower motor relay circuit short to ground |
EMTC and blower is inoperative, Go To PINPOINT TEST K: THE BLOWER MOTOR IS INOPERATIVE - EMTC
. EMTC and blower operates, Go To PINPOINT TEST L: THE BLOWER MOTOR DOES NOT OPERATE CORRECTLY - EMTC
EATC and blower is inoperative, Go To PINPOINT TEST M: THE BLOWER MOTOR IS INOPERATIVE - EATC
. EATC and blower operates, Go To PINPOINT TEST N: THE BLOWER MOTOR DOES NOT OPERATE CORRECTLY - EATC
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| B2514 |
Blower motor relay circuit open/short to voltage |
EMTC, Go To PINPOINT TEST K: THE BLOWER MOTOR IS INOPERATIVE - EMTC
. EATC, Go To PINPOINT TEST M: THE BLOWER MOTOR IS INOPERATIVE - EATC
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| B2543 |
Auxiliary control/actuator reference circuit short to ground |
If auxiliary blower, temperature and mode are all affected, Go To PINPOINT TEST O: THE AUXILIARY BLOWER MOTOR IS INOPERATIVE
. If temperature only is affected, Go To PINPOINT TEST Q: THE AUXILIARY TEMPERATURE CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
. If mode only is affected, Go To PINPOINT TEST R: THE AUXILIARY PANEL/FLOOR CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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| B2544 |
Auxiliary control/actuator reference circuit short to voltage |
If auxiliary blower, temperature and mode are all affected, Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
. If temperature only is affected, Go To PINPOINT TEST Q: THE AUXILIARY TEMPERATURE CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
. If mode only is affected, Go To PINPOINT TEST R: THE AUXILIARY PANEL/FLOOR CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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| B2559 |
Auxiliary blower motor relay circuit short to voltage |
Go To PINPOINT TEST O: THE AUXILIARY BLOWER MOTOR IS INOPERATIVE
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| B2688 |
Auxiliary blower motor relay circuit open/short to ground |
If auxiliary blower motor is inoperative, Go To PINPOINT TEST O: THE AUXILIARY BLOWER MOTOR IS INOPERATIVE
. If auxiliary blower motor operates, Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
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| B2561 |
Auxiliary blower motor speed relay 1 circuit short to voltage |
Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
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| B2562 |
Auxiliary blower motor speed relay 1 circuit open/short to ground |
Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
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| B2563 |
Auxiliary blower motor speed relay 2 circuit short to voltage |
Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
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| B2564 |
Auxiliary blower motor speed relay 2 circuit open/short to ground |
Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY |
| B2916 |
Auxiliary blend door motor circuits shorted |
Go To PINPOINT TEST Q: THE AUXILIARY TEMPERATURE CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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| B2917 |
Auxiliary mode door motor circuits shorted |
Go To PINPOINT TEST R: THE AUXILIARY PANEL/FLOOR CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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| B2919 |
Auxiliary blower motor speed input circuit short to voltage |
Go To PINPOINT TEST P: THE AUXILIARY BLOWER MOTOR DOES NOT OPERATE CORRECTLY
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| B2920 |
Auxiliary mode door feedback circuit open/shorted |
Go To PINPOINT TEST R: THE AUXILIARY PANEL/FLOOR CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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| B2921 |
Auxiliary blend door feedback circuit open/shorted |
Go To PINPOINT TEST Q: THE AUXILIARY TEMPERATURE CONTROL ONLY IS INOPERATIVE/DOES NOT OPERATE CORRECTLY
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