Fuel Pump Relay Bypass question
Omron G8h-UA-007001
I am trying to run a continuity check from PDC to fuel pump C121 harness. Does anyone know which blade on Fuel relay corresponds to wire running to fuel pump harness? Thanks |
I hope this is what you are looking for.
TEST ACTION APPLICABILITY 4 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Ignition on, engine not running. Using a Voltmeter, measure the Fused Ignition Switch Output Circuit. Is the voltage above 10.0 volts? All Yes ® Go To 5 No ® Repair the open Fused Ignition Switch Output Circuit. Perform Powertrain Verification Test VER-2A. 5 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure across Terminals 85 and 86 of the Fuel Pump Relay for resistance. Is the resistance below 100.0 ohms? All Yes ® Go To 6 No ® Replace Fuel Pump Relay. Perform Powertrain Verification Test VER-2A. 6 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Disconnect the Powertrain Control Module. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure the Fuel Pump Relay Control Circuit for resistance from PCM to Relay. Is the resistance below 5.0 ohms? All Yes ® Go To 7 No ® Repair the open Fuel Pump Relay Control Circuit. Perform Powertrain Verification Test VER-2A. 7 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Disconnect the Powertrain Control Module. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure the resistance of the Fuel Pump Relay Control Circuit to ground. Is the resistance below 5.0 ohms? All Yes ® Repair the Fuel Pump Relay Control Circuit for a short to ground. Perform Powertrain Verification Test VER-2A. No ® Go To 8 8 Turn Ignition Off. There are no potential causes remaining. View repair options. All Repair Replace the PCM. Perform Powertrain Verification Test VER-2A. 178 DRIVEABILITY P-1282 FUEL PUMP RELAY CONTROL CIRCUIT — Continued |
Thanks for the info. It will serve as a useful source of info for future readers. I will check it all out. Right now I have the filter off to check it. I have another post related to that.
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Originally Posted by master tech
(Post 2545380)
I hope this is what you are looking for.
TEST ACTION APPLICABILITY 4 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Ignition on, engine not running. Using a Voltmeter, measure the Fused Ignition Switch Output Circuit. Is the voltage above 10.0 volts? All Yes ® Go To 5 No ® Repair the open Fused Ignition Switch Output Circuit. Perform Powertrain Verification Test VER-2A. 5 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure across Terminals 85 and 86 of the Fuel Pump Relay for resistance. Is the resistance below 100.0 ohms? All Yes ® Go To 6 No ® Replace Fuel Pump Relay. Perform Powertrain Verification Test VER-2A. 6 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Disconnect the Powertrain Control Module. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure the Fuel Pump Relay Control Circuit for resistance from PCM to Relay. Is the resistance below 5.0 ohms? All Yes ® Go To 7 No ® Repair the open Fuel Pump Relay Control Circuit. Perform Powertrain Verification Test VER-2A. 7 Ignition Off Disconnect the Fuel Pump Relay. Note: Check connectors - Clean/repair as necessary. Disconnect the Powertrain Control Module. Note: Check connectors - Clean/repair as necessary. Using an Ohmmeter, measure the resistance of the Fuel Pump Relay Control Circuit to ground. Is the resistance below 5.0 ohms? All Yes ® Repair the Fuel Pump Relay Control Circuit for a short to ground. Perform Powertrain Verification Test VER-2A No ® Go To 8 8 Turn Ignition Off. There are no potential causes remaining. View repair options. All Repair Replace the PCM. Perform Powertrain Verification Test VER-2A. 178 DRIVEABILITY P-1282 FUEL PUMP RELAY CONTROL CIRCUIT — Continued |
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