Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VI8R
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: 2GR-FE (ENGINE CONTROL): MASS AIR FLOW METER: INSPECTION; 2016 MY Sienna [12/2015 - 08/2016]

INSPECTION

PROCEDURE

1. INSPECT MASS AIR FLOW METER

(a) Perform a visual check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter shown in the illustration.

Text in Illustration

*1

Platinum Hot Wire (Heater)

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.

Text in Illustration

*a

Component without harness connected

(Mass Air Flow Meter)

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (THA) - 2 (E2)

-20°C (-4°F)

13.6 to 18.4 kΩ

1 (THA) - 2 (E2)

20°C (68°F)

2.21 to 2.69 kΩ

1 (THA) - 2 (E2)

60°C (140°F)

0.49 to 0.67 kΩ

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