Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2007 >> Prius L4-1.5L (1NZ-FXE) Hybrid >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Air Flow Meter/Sensor >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Flow Meter/Sensor: Service and Repair

Mass Air Flow Meter:






REMOVAL

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 RADIATOR SUPPORT OPENING COVER
3. REMOVE MASS AIR FLOW METER




a. Disconnect the MAF meter connector.
b. Remove the 2 screws and MAF meter.

INSTALLATION

1. INSTALL MASS AIR FLOW METER




a. Install a new O-ring to the MAF meter.
b. Install the MAF meter with the 2 screws.
c. Connect the MAF meter connector.

2. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
3. INSTALL RADIATOR SUPPORT OPENING COVER
4. PERFORM INITIALIZATION
a. Perform initialization.

NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
pro multis · About Operation CHARM