C-14, Boost Pressure Sensor Circuit
| C-14, Boost Pressure Sensor Circuit |
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| Test | Work Order Description | Nominal Value |
| T01 | Check: Short to Voltage/Ground/Interruption of Voltage Supply | |
| Ignition OFF Disconnect wiring harness connector from: P65 Sensor - Boost Pressure Ignition ON Measure voltage between the following terminals: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & Ground | 4.8 ... 5.2 V |
| Yes: T02 | No: T06 |
| T02 | Check: Short to Voltage/Interruption of Signal Circuit | |
| Measure voltage between the following terminals: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 2 | 4.8 ... 5.2 V |
| Yes: T03 | No: E05 |
| T03 | Check: Short to Voltage of Signal Circuit | |
| Diagnostic Tester Data List Parameter BOOST PRESSURE | less than 0.1 V |
| Yes: T04 | No: E04 |
| T04 | Check: Short to Ground/Interruption of Signal Circuit | |
| Ignition OFF Connect fused jumper wire to: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 1 Ignition ON Diagnostic Tester Data List Parameter BOOST PRESSURE | greater than 4.8 V |
| Yes: T05 | No: E03 |
| T05 | Check: Mechanical Functionality | |
| Check mechanical functionality of the following components and all attached parts: P65 Sensor - Boost Pressure Check electro-pneumatic pressure converter, bypass valve adjuster, bypass valve and corresponding pneumatic lines for correct functioning Check turbocharger Check intake system/charge air hoses for leaks (secondary air, porosity and blockages) | Test okay? |
| Yes: E01 | No: E02 |
| T06 | Check: Short to Voltage/Ground/Interruption of Voltage Supply | |
| Ignition OFF Disconnect wiring harness connector from: P65 Sensor - Boost Pressure Ignition ON Measure voltage between the following terminals: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & Ground | greater than 5.2 V |
| Yes: E06 | No: E07 |
| C-14, Boost Pressure Sensor Circuit |
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| Result | Cause Of Fault |
| E01 | Defective component: P65 Sensor - Boost Pressure |
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| E02 | Repair or replace defective component Refer to Service Manual |
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| E03 | Short circuit to ground/interruption of circuit between: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 1 & K70 Control Unit - Diesel Wiring Harness Connector (wiring harness side) Terminal 54 or Defective component: K70 Control Unit - Diesel |
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| E04 | Short circuit to voltage between: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 1 & K70 Control Unit - Diesel Wiring Harness Connector (wiring harness side) Terminal 54 or Defective component: K70 Control Unit - Diesel |
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| E05 | Circuit interruption between: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 2 & K70 Control Unit - Diesel Wiring Harness Connector (wiring harness side) Terminal 13 or Defective component: K70 Control Unit - Diesel |
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| E06 | Short circuit to voltage between: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & K70 Control Unit - Diesel Wiring Harness Connector (wiring harness side) Terminal 51 or Defective component: K70 Control Unit - Diesel |
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| E07 | Short circuit to ground/interruption of circuit between: P65 Sensor - Boost Pressure Wiring Harness Connector (wiring harness side) Terminal 3 & K70 Control Unit - Diesel Wiring Harness Connector (wiring harness side) Terminal 51 or Defective component: K70 Control Unit - Diesel |
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