C-09, Engine Coolant Temperature Sensor Circuit
| C-09, Engine Coolant Temperature Sensor Circuit |
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| Test | Work Order Description | Nominal Value |
| T01 | Check: Short to Voltage/Ground/Interruption of Signal Circuit | |
| Ignition OFF Disconnect wiring harness connector from: P30 Temperature Sensor - Coolant Ignition ON Measure voltage between the following terminals: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XP (Vectra-B) , BRBL (Omega-B) & Ground 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 | Vectra-B 4.8 ... 5.2 V Omega-B 4.8 ... 5.2 V |
| Yes: T02 | No: T03 |
| T02 | Check: Circuit Interruption of Ground Circuit | |
| Connect fused jumper wire to: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XP (Vectra-B) , BRBL (Omega-B) & P30 Temperature Sensor - Coolant Wiring Harness Connector Color XU (Vectra-B) , BRGN (Omega-B) Diagnostic Tester Data List Parameter COOLANT TEMP. 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 | Vectra-B less than 0.1 V Omega-B less than 0.1 V |
| Yes: E01 | No: E02 |
| T03 | Check: Short to Voltage/Ground/Interruption of Signal Circuit | |
| Ignition OFF Disconnect wiring harness connector from: P30 Temperature Sensor - Coolant Ignition ON Measure voltage between the following terminals: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XP (Vectra-B) , BRBL (Omega-B) & Ground 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 | Vectra-B greater than 5.2 V Omega-B greater than 5.2 V |
| Yes: E03 | No: E04 |
| C-09, Engine Coolant Temperature Sensor Circuit |
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| Result | Cause Of Fault |
| E01 | Defective component: P30 Temperature Sensor - Coolant |
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| E02 | Circuit interruption between: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XU (Vectra-B) , BRGN (Omega-B) & Ground 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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| E03 | Short circuit to voltage between: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XP (Vectra-B) , BRBL (Omega-B) & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 27 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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| E04 | Short circuit to ground/interruption of circuit between: P30 Temperature Sensor - Coolant Wiring Harness Connector Color XP (Vectra-B) , BRBL (Omega-B) & K69 Control Unit - Simtec Wiring Harness Connector (wiring harness side) Terminal 27 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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