C-13, Air Conditioning System Compressor Switch Circuit
| C-13, Air Conditioning System Compressor Switch Circuit |
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| Test | Work Order Description | Nominal Value |
| T01 | Check: Vehicle Configuration | |
| Is the following information correct for the actual vehicle? Vectra-B | |
| Yes: T02 | No: T04 |
| T02 | Check: Short to Voltage of Signal Circuit | |
| Ignition OFF Disconnect wiring harness connector from: S20 Switch - ASM Pressure Ignition ON Diagnostic Tester Data List Parameter A/C COMPRESS. SW | INACTIVE 0 V |
| Yes: T03 | No: E03 |
| T03 | Check: Short to Ground/Interruption of Signal Circuit | |
| Ignition OFF Connect fused jumper wire to: S20 Switch - ASM Pressure Wiring Harness Connector (wiring harness side) Terminal 4 & Battery Voltage (Positive Terminal) Diagnostic Tester Data List Parameter A/C COMPRESS. SW | ACTIVE 12 V |
| Yes: E01 | No: E02 |
| T04 | Check: Short to Voltage of Signal Circuit | |
| Ignition OFF Disconnect wiring harness connector from: S109 Pressure Switch - Speed Increase Ignition ON Diagnostic Tester Data List Parameter A/C COMPRESS. SW | INACTIVE 0 V |
| Yes: T05 | No: E06 |
| T05 | Check: Short to Ground/Interruption of Signal Circuit | |
| Ignition OFF Connect fused jumper wire to: S109 Pressure Switch - Speed Increase Wiring Harness Connector Color SWBL & Battery Voltage (Positive Terminal) Ignition ON Diagnostic Tester Data List Parameter A/C COMPRESS. SW Note: Wiring colors: A=RT=Red, B=GE=Yellow, F=SW=Black, M=WS=White, P=BL=Blue, R=GR=Grey, U=GN=Green, X=BR=Brown, Y=VI=Violet | ACTIVE 12 V |
| Yes: E04 | No: E05 |
| C-13, Air Conditioning System Compressor Switch Circuit |
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| Result | Cause Of Fault |
| E01 | Defective component: S20 Switch - ASM Pressure Note: If nominal values are attained see air conditioning checking procedure. |
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| E02 | Short circuit to ground/interruption of circuit between: S20 Switch - ASM Pressure Wiring Harness Connector (wiring harness side) Terminal 4 & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 9 or Defective component: K69 Control Unit - Simtec |
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| E03 | Short circuit to voltage between: S20 Switch - ASM Pressure Wiring Harness Connector (wiring harness side) Terminal 4 & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 9 or Defective component: K69 Control Unit - Simtec |
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| E04 | Defective component: S109 Pressure Switch - Speed Increase Note: If nominal values are attained see air conditioning checking procedure. |
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| E05 | Short circuit to ground/interruption of circuit between: S109 Pressure Switch - Speed Increase Wiring Harness Connector Color SWBL & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 9 or Defective component: K69 Control Unit - Simtec |
| Note: Wiring colors: A=RT=Red, B=GE=Yellow, F=SW=Black, M=WS=White, P=BL=Blue, R=GR=Grey, U=GN=Green, X=BR=Brown, Y=VI=Violet |
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| E06 | Short circuit to voltage between: S109 Pressure Switch - Speed Increase Wiring Harness Connector Color SWBL & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 9 or Defective component: K69 Control Unit - Simtec |
| Note: Wiring colors: A=RT=Red, B=GE=Yellow, F=SW=Black, M=WS=White, P=BL=Blue, R=GR=Grey, U=GN=Green, X=BR=Brown, Y=VI=Violet |
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