Toyota Sienna Service Manual: Mass air flow meter

Installation

1. INSTALL ACCELERATOR PEDAL ROD NOTICE:  Avoid physical shock to the accelerator pedal assembly.  Do not disassemble the accelerator pedal assembly.  Install the a ...

On-vehicle inspection

1. INSPECT MASS AIR FLOW METE NOTICE:  Perform the mass air flow (MAF) meter inspection by following the procedures below.  Only replace the MAF meter when the MAF value in th ...

Other materials:

Data list / active test
1. READ DATA LIST HINT: Using the intelligent tester's DATA LIST allows switch, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.  Connect the intelligent tester with CAN VIM to the DLC3. &n ...

Diagnostic trouble code chart
HINT: If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to the relevant page listed under respective "DTC No." in the DTC chart. TIRE PRESSURE WARNING SYSTEM: ...

Monitor drive pattern
1. MONITOR DRIVE PATTERN FOR ECT TEST (a) Perform this drive pattern as one method to simulate the detection conditions of the ECT malfunctions. (The DTCs may not be detected due the actual driving conditions. And some codes may not be detected through this drive pattern.) HINT: Preparation f ...