LS 460 RWD V8-4.6L (1UR-FSE) (2010)
Fuel Pump Relay: Testing and Inspection
Fuel Pump Relay
1UR-FSE ENGINE CONTROL SYSTEM: FUEL PUMP RELAY: ON-VEHICLE INSPECTION
1. REMOVE COWL TOP VENTILATOR LOUVER RH See: Starting and Charging/Charging System/Alternator/Service and Repair/Removal and
Replacement/Removal
2. 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.
NOTICE:
After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory
and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative
(-) battery terminal.
3. REMOVE FUEL PUMP RELAY (F/PMP)
(a) Remove the fuel pump relay from the engine room No. 2 relay block.
4. INSPECT FUEL PUMP RELAY
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
(b) If the result is not as specified, replace the relay.
5. INSTALL FUEL PUMP RELAY
6. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
7. INSTALL COWL TOP VENTILATOR LOUVER RH See: Starting and Charging/Charging System/Alternator/Service and Repair/Removal and
Replacement/Installation
8. PERFORM INITIALIZATION
(a) Perform initialization See: Testing and Inspection/Programming and Relearning.
NOTICE:
Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.