Briggs & Stratton Vanguard EFI 380000, Руководство по ремонту

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DTC P0230 Signal Voltage Low, Open or High (Non-Scan Diagnostics)
Step Action Yes No
1 1. Disconnect and reconnect fuel pump module and ECM connectors.
2. Install Service Power Supply Harness (Part No. 847252).
3. Clear codes.
4. Disconnect and reconnect service power supply connector.
5. Does DTC return?
Go to step 2. Problem corrected.
2 1. Disconnect and reconnect service power supply connector.
2. Does fuel pump run for 2 seconds?
Fuel pump module OK. Go to step 3.
3 1. Disconnect service power supply connector.
2. Back probe terminal 2 (Red wire) of fuel pump module connector.
3. Connect terminal 2 back probe to red meter test lead on DVOM.
4. Connect black meter test lead on DVOM to a known good ground.
5. Set DVOM to read volts DC.
6. Connect service power supply connector.
7. Does DVOM read 12.2-13.5 volts DC?
Go to step 4. Go to DTC P0562.
4 1. Disconnect service power supply connector.
2. Disconnect fuel pump module connector.
3. Remove probe from terminal 2, and back probe terminal 1 (Blue/Yellow wire) of
fuel pump module connector.
4. Disconnect ECM connector.
5. Back probe terminal J17 (Blue/Yellow wire) of ECM connector.
6. Connect terminal J17 back probe to black meter test lead on DVOM.
7. Set DVOM to read resistance.
8. Does DVOM read 0.5 ohm or less?
Replace fuel pump module. Resistance reading
is above 0.5 ohm.
Check terminals
for corrosion or
replace EFI wire
harness.
Fuel Pump Module Connector ECM Connector
Not for
Reproduction