Toyota RAV4 manuals

Toyota Sienna Service Manual: Mass air flow meter

COMPONENTS

Mass air flow meter

ON-VEHICLE INSPECTION

1. INSPECT MASS AIR FLOW METER

INSPECT MASS AIR FLOW METER

NOTICE:
  • Perform the mass air flow (MAF) meter inspection by following the procedures below.
  • Only replace the MAF meter when the MAF value in the DATA LIST (with the engine stopped) are not within the normal operating range or there is foreign matter on the MAF meter platinum hot wire (heater).

(a) Read the values using the intelligent tester (MAF).

NOTICE:
  • Perform the inspection with the vehicle indoors and on a level surface.
  • Perform the inspection of the MAF meter while it is installed to the air cleaner case (installed to the vehicle).
  • During the test, do not use the exhaust air duct to perform suction on the exhaust pipe.

(1) Turn the ignition switch to the ON position (do not start the engine).

(2) Turn the tester on.

(3) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / PRIMARY / MAF.

(4) Wait 30 seconds, and read the values on the intelligent tester.

Standard condition: Less than 0.70 g/s

REMOVAL

1. REMOVE MASS AIR FLOW METER

 REMOVE MASS AIR FLOW METER

(a) Disconnect the mass air flow meter connector.

(b) Remove the 2 screws and mass air flow meter.

INSPECTION

1. INSPECT MASS AIR FLOW METER

INSPECT MASS AIR FLOW METER

(a) Visually check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter.

OK: There is no foreign matter.

If the result is not as specified, replace the mass air flow meter.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance

INSTALLATION

1. REMOVE MASS AIR FLOW METER

REMOVE MASS AIR FLOW METER

(a) Install the mass air flow meter with the 2 screws.

(b) Connect the mass air flow meter connector.

Accelerator pedal rod
COMPONENTS ON-VEHICLE INSPECTION 1. CHECK ACCELERATOR PEDAL ROD (a) Check the voltage. (1) Connect the intelligent tester to the DLC3. (2) Turn the ignition switch to the ON position. ...

Vvt sensor
COMPONENTS ON-VEHICLE INSPECTION 1. CHECK VVT SENSOR OUTPUT VOLTAGE (a) Turn the ignition switch to the ON position. (b) Check the voltage between the specified terminal and body grou ...

Other materials:

Short to GND in Driver Side Squib 2nd Step Circuit
DTC B1182/19 Short to GND in Driver Side Squib 2nd Step Circuit DESCRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1182/19 ...

Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to the ECM. HINT: After confirming DTC P0705, use the intelligent tester to confirm the PNP switch signal in the ALL menu (to reach the ALL menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ...

Canceling the power sliding door system (vehicles with power sliding doors)
Turn the main switch off to disable the power sliding door system. Off The sliding doors can only be opened and closed manually. On* The power sliding door can be opened and closed with the power sliding door switches for the front occupants or wireless remote control even if ...

В© 2011-2021 Copyright www.tsienna.net