C-18, Injector Circuit
| C-18, Injector Circuit | ||
|---|---|---|
| Test | Work Order Description | Nominal Value |
| T01 | Check: Vehicle Configuration | |
| Is the following information correct for the actual vehicle? X 14 XE X 16 XE X 16 XEL | ||
| Yes: T02 | No: T03 | |
| T02 | Check: Short to Voltage/Ground/Interruption of Signal Circuit | |
| Select and enable diagnostic tester actuator test: INJ.CIRCUIT T. Refer to B-5 F5: ACTUATOR TEST Test10 INJ.CIRCUIT T. | Test okay? | |
| Yes: E01 | No: E02 | |
| T03 | Check: Short to Ground/Interruption of Voltage Supply Circuit | |
| Disconnect wiring harness connector from: Y32 Injection Valve - Fuel Ignition ON Measure voltage between the following terminals: Y32 Injection Valve - Fuel Wiring Harness Connector (wiring harness side) Terminal B & Ground | greater than 11.5 V | |
| Yes: T04 | No: E08 | |
| T04 | Check: Short to Ground of Signal Circuit | |
| Connect test light to: Y32 Injection Valve - Fuel Wiring Harness Connector Terminal B & Y32 Injection Valve - Fuel Wiring Harness Connector Terminal A | Test light OFF? | |
| Yes: T05 | No: E07 | |
| T05 | Check: Circuit Interruption of Ground Circuit | |
| Engine starting | Test light flashes? | |
| Yes: E03 | No: T06 | |
| T06 | Check: Circuit Interruption of Ground Circuit | |
| Ignition OFF Disconnect wiring harness connector from: K57 Control Unit - Multec Measure resistance between the following terminals: K57 Control Unit - Multec Wiring Harness Connector Terminal C7 & K57 Control Unit - Multec Wiring Harness Connector Terminal C8 | less than 2 Ohm | |
| Yes: T07 | No: E06 | |
| T07 | Check: Circuit Interruption of Ground Circuit | |
| Measure resistance between the following terminals: K57 Control Unit - Multec Wiring Harness Connector Terminal C4 & Y32 Injection Valve - Fuel Wiring Harness Connector (control unit side) Terminal A | less than 2 Ohm | |
| Yes: E04 | No: E05 |
| C-18, Injector Circuit | |
|---|---|
| Result | Cause Of Fault |
| E01 | Are the nominal values okay and the system is still faulty perform Service Programming SPS. |
| E02 | Repair the concerned circuit/component. |
| E03 | Defective component: Y32 Injection Valve - Fuel Note: Check the hoses for leakage or blockage before replacing the component. |
| E04 | If programming/nominal value is okay and system is still faulty the following component is defective: K57 Control Unit - Multec |
| E05 | Circuit interruption between: Y32 Injection Valve - Fuel Wiring Harness Connector (control unit side) Terminal A & K57 Control Unit - Multec Terminal C4 |
| E06 | Circuit interruption between: K57 Control Unit - Multec Wiring Harness Connector Terminal C7 & K57 Control Unit - Multec Wiring Harness Connector Terminal C8 |
| E07 | Short circuit to ground between: Y32 Injection Valve - Fuel Wiring Harness Connector Terminal A & K57 Control Unit - Multec Wiring Harness Connector Terminal C4 or Defective component: K57 Control Unit - Multec |
| E08 | Short circuit to ground/interruption of circuit between: Y32 Injection Valve - Fuel Wiring Harness Connector Terminal B & S1 Switch - Starter Terminal 15 |