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DIAGNOSIS SYSTEM (HVAC) HAC-39 < SYSTEM DESCRIPTION > [WITHOUT 7 INCH DISPLAY] C D E F G H J K L M A B HAC N O P DIAGNOSIS SYSTEM (HVAC) CONSULT-III Function INFOID:0000000005514595 CONSULT-III can display each diagnosis item using the diagnosis test modes shown as per the following. CONSULT-III application items SELF DIAGNOSTIC RESULT Display Item List Diagnosis mode Description ECU Identification Displays the A/C auto amp. number. Self Diagnostic Result Displays the diagnosis results judged by A/C auto amp. Data Monitor Displays A/C auto amp. input/output data in real time. Active Test The signals used to activate each device are forcibly supplied from A/C auto amp. Work Support Changes the setting for each system function. DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause U1000 CAN COMM CIRCUIT When A/C auto amp. is not transmitting CAN communication system U1010 CONTROL UNIT (CAN) When detecting error during the initial A/C auto amp. B257B AMB TEMP SEN SHORT Detected temperature at ambient sen- − 44 ° C ( − 47 ° F) or less • Ambient sensor (Ambient sensor circuit is open, B257C AMB TEMP SEN OPEN Detected temperature at ambient sen- ° C (212 ° F) or more B2578 IN CAR SEN SHORT Detected temperature at in-vehicle sen- − 44 ° C ( − 47 ° F) or less • In-vehicle sensor (In-vehicle sensor circuit is open, B2579 IN CAR SEN OPEN Detected temperature at in-vehicle sen- ° C (212 ° F) or more B2581 EVAP TEMP SEN SHORT Detected temperature at intake sensor − 33 ° C ( − 27 ° F) or less • Intake sensor (Intake sensor circuit is open, or B2582 EVAP TEMP SEN OPEN Detected temperature at intake sensor ° C (156 ° F) or more B2630 * SUNLOAD SEN SHORT Detected calorie at sunload sensor 64.7 w/m 2 (56 kcal/m 2 ·h) or less • Sunload sensor (Sunload sensor circuit is open, B2631 * SUNLOAD SEN OPEN Detected calorie at sunload sensor 2832 w/m 2 (2436 kcal/m 2 ·h) or more B2632 DR AIRMIX ACTR SHORT Air mix door PBR (driver side) position • Air mix door motor (driver side) (CAN communication line is open B2633 DR AIRMIX ACTR OPEN Air mix door PBR (driver side) position |