DTC P0230
Precautions: General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detection condition | Trouble area |
|---|---|
|
P0230: Fuel Pump Primary Circuit Any of the following conditions is met.
•Measured voltage of fuel pump relay drive circuit is higher than specified value. (1 D/C detection logic)•Measured voltage of fuel pump relay drive circuit is lower than specified value. •Temperature of fuel pump relay drive circuit is out of specified range. |
•Fuel pump relay (coil side) and/or its circuit
•ECM |
Circuit Diagram
| [A]: | ECM connector (View: [a]) | B1: | Fuel pump power supply circuit | 3. | Fuel pump |
| A1: | Fuel pump relay power supply circuit (coil side) | B2: | Fuel pump ground circuit | 4. | “F/P” fuse |
| A2: | Fuel pump relay power supply circuit (switch side) | 1. | ECM | ||
| A3: | Fuel pump relay drive circuit | 2. | Fuel pump relay |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “Engine and Emission Control System Check” performed?
|
Go to Step 2.
|
|
| 2 |
Fuel pump relay (coil side) power supply circuit and drive circuit check
1)Check “A1” and “A3” circuits according to Step 2 – 3 of Fuel Pump Relay Operation Check:D16AA.
Is check result OK?
|
Go to Step 3.
|
Repair or replace defective wire harness.
|
| 3 |
Fuel pump relay check
1)Check fuel pump relay for resistance.
Is check result OK?
|
Replace ECM and recheck DTC.
|
Replace fuel pump relay.
|