Fuel Pump Relay On-Vehicle Inspection
Engine. Lexus Gs430, Gs300. Uzs190 Grs190
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
REMOVE COOL AIR INTAKE DUCT SEAL
REMOVE ENGINE ROOM SIDE COVER LH
INSPECT FUEL PUMP RELAY (Marking: F/PMP)
INSTALL ENGINE ROOM SIDE COVER LH
INSTALL COOL AIR INTAKE DUCT SEAL
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
PERFORM INITIALIZATION
Fuel Pump Relay -- On-Vehicle Inspection |
| 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL |
- CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
| 2. REMOVE COOL AIR INTAKE DUCT SEAL |
Remove the 7 clips and intake duct seal.
| 3. REMOVE ENGINE ROOM SIDE COVER LH |
Remove the 3 clips and side cover.
| 4. INSPECT FUEL PUMP RELAY (Marking: F/PMP) |
Remove the engine room No. 2 relay block cover.
Remove the fuel pump from the engine room No. 2 junction block.
Inspect the fuel pump relay resistance.
- Standard resistance:
Terminal No.
| Specified Condition
|
1 - 2
| 63 to 91 Ω
|
3 - 4
| Below 10 kΩ or higher (when battery voltage is applied to terminals 1 and 2)
|
Reinstall the fuel pump relay to the engine room No. 2 junction block.
Reinstall the engine room No. 2 relay block cover.
| 5. INSTALL ENGINE ROOM SIDE COVER LH |
Install the side cover with the 3 clips.
| 6. INSTALL COOL AIR INTAKE DUCT SEAL |
Install the intake duct seal with the 7 clips.
| 7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL |
| 8. PERFORM INITIALIZATION |
Perform initialization (Click here).
- NOTICE:
- Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
