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Diagnostic Trouble Codes Table

WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Be sure to perform Air Conditioning System Check  before starting diagnosis.
Fig 1: DTC Table Chart
G00757976Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Recirculation Indicator Lamp Flashing Pattern Chart
G00757977Courtesy of SUZUKI OF AMERICA CORP.
NOTE: If no malfunction is detected, A/C indicator lamp and REC indicator lamp flash simultaneously.
Fig 3: Example Of Recirculation Indicator Lamp Flashing Simultaneously
G00757978Courtesy of SUZUKI OF AMERICA CORP.
DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
DTC B1501 (No. 01)  Outside Air Temperature Sensor and/or Its Circuit Malfunction
DTC B1502 (No. 02)  Inside Air Temperature Sensor and/or Its Circuit Malfunction
DTC B1503 (No. 03)  A/C Evaporator Temperature Sensor and/or Its Circuit Malfunction
DTC B1504 (No. 04)  Sunload Sensor and/or Its Circuit Malfunction
DTC B1510 (No. 10)  Engine Coolant Temperature (ECT) Sensor and/or Its Circuit Malfunction
DTC B1511 (No. 11)  Temperature Control Actuator (Position Sensor) and/or Its Circuit Malfunction
DTC B1512 (No. 12)  Air Flow Control Actuator (Position Sensor) and/or Its Circuit Malfunction
DTC B1513 (No. 13)  Temperature Control Actuator and/or Its Circuit Malfunction
DTC B1514 (No. 14)  Air Flow Control Actuator and/or Its Circuit Malfunction
DTC B1520 (No. 20)  Temperature Selector and/or Its Circuit Malfunction
DTC B1521 (No. 21)  Blower Speed Selector and/or Its Circuit Malfunction
DTC B1522 (No. 22)  Air Flow Selector and/or Its Circuit Malfunction