Suzuki Baleno Manual page 2106

6-52 ENGINE GENERAL INFORMATION AND DIAGNOSIS
DTC NO.37 A/C CUT OFF CONTROL CIRCUIT MALFUNCTION
CIRCUIT DESCRIPTION
1. A/C controller
2. A/C switch
3. A/C compressor relay
4. Condenser fan relay
5. A/C compressor
6. Condenser fan
7. Dual pressure switch
8. Ignition switch
9. ECM
10. Main fuse box
11. Relay box
12. Circuit fuse box
13. Generator
14. Battery
DTC DETECTING CONDITION
D Low voltage at terminal E92-13 when ECM doesn't
output A/C ON signal to A/C amplifier or when engine
coolant temp. is not 1105C (2305F) or more.
DTC CONFIRMATION PROCEDURE
1) Clear DTC with ignition switch ON.
2) Select "DTC" mode on scan tool and check DTC.
POSSIBLE CAUSE
D "P" circuit open or short
D Each engine emission control sensor faulty
D ECM malfunction