Toyota RAV4 manuals

Toyota Sienna Service Manual: Fuel Pump Primary Circuit

DTC P0230 Fuel Pump Primary Circuit

DESCRIPTION

DTC No.

DTC Detection Condition

Trouble Area

P0230

Open or short in FUEL PUMP relay circuit (1 trip detection logic)
  • Open or short in FUEL PUMP relay circuit
  • FUEL PUMP relay
  • ECM

WIRING DIAGRAM

WIRING DIAGRAM

This troubleshooting procedure is based on the premise that the engine is started. If the engine is not started, proceed to the problem symptoms table.

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.
  2. Turn the ignition switch to the ON position and turn the intelligent tester ON.
  3.  Enter the following menus: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / FUEL PUMP SP CTL.
  4.  Check the operation of the relay while operating it using the intelligent tester.

OK: Operating noise can be heard from the relay.

2 INSPECT RELAY (FUEL PUMP RELAY)

 INSPECT RELAY (FUEL PUMP RELAY)

  1. Remove the FUEL PUMP relay from the engine room junction block.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

  1. Reinstall the FUEL PUMP relay.

3 CHECK HARNESS AND CONNECTOR (FUEL PUMP RELAY - ECM)

CHECK HARNESS AND CONNECTOR (FUEL PUMP RELAY - ECM)

  1. Remove the FUEL PUMP relay from the engine room junction block.
  2.  Disconnect the E11 ECM connector.
  3.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

  1. Reconnect the ECM connector.
  2.  Reinstall the FUEL PUMP relay

REPLACE ECM

System Too Lean/ System Too Rich
DTC P0171 System Too Lean (Bank 1) DTC P0172 System Too Rich (Bank 1) DTC P0174 System Too Lean (Bank 2) DTC P0175 System Too Rich (Bank 2) DESCRIPTION The fuel trim is related to the feedback co ...

Random / Multiple Cylinder Misfire Detected/ Cylinder  Misfire Detected
DTC P0300 Random / Multiple Cylinder Misfire Detected DTC P0301 Cylinder 1 Misfire Detected DTC P0302 Cylinder 2 Misfire Detected DTC P0303 Cylinder 3 Misfire Detected DTC P0304 Cylinder 4 Misfire ...

Other materials:

Detailed Bluetooth® system settings
You can confirm and change the detailed Bluetooth® settings. How to check and change detailed Bluetooth® settings Display the “Bluetooth* Setup” screen. Select “System Settings”. The following screen is displayed: Bluetooth* Power on/off You can change Bluetooth* fu ...

Scratched / Reversed Disc
DTC 44-46 Scratched / Reversed Disc DESCRIPTION DTC No. DTC Detecting Condition Trouble Area 44-46 Scratches or dirt is found on DVD surface or DVD is set upside down. DVD Television display assembly INSPECTION PROCEDURE HI ...

Brake
GENERAL MAINTENANCE 1. INSPECT BRAKE LINE PIPES AND HOSES HINT: Check the entire circumference and length of the brake hoses using a mirror as required in a well-lighted area. Turn the front wheels fully right or left before checking the front brakes. (a) Check all the brake lines and h ...

© 2011-2019 Copyright www.tsienna.net