LS 460 AWD V8-4.6L (1UR-FSE) (2009)
Air Flow Meter/Sensor: Service and Repair
Removal
1UR-FSE ENGINE CONTROL SYSTEM: MASS AIR FLOW METER: REMOVAL
REMOVAL
1. REMOVE COWL TOP VENTILATOR LOUVER RH See: Starting and Charging/Charging System/Alternator/Service and Repair/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.
NOTE:
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 V-BANK COVER SUB-ASSEMBLY See: Powertrain Management/Fuel Delivery and Air Induction/Throttle Body/Service and
Repair/Removal
4. REMOVE AIR CLEANER CAP SUB-ASSEMBLY LH
(a) Disconnect the MAF meter connector.
(b) Remove the 2 clamps, loosen the hose clamp and remove the air cleaner cap LH.
5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY RH
(a) Disconnect the MAF meter connector.
(b) Remove the 2 clamps, loosen the hose clamp and remove the air cleaner cap RH.
6. REMOVE MASS AIR FLOW METER SUB-ASSEMBLY (for Bank 1)
(a) Remove the 2 screws and MAF meter.
7. REMOVE MASS AIR FLOW METER SUB-ASSEMBLY (for Bank 2)