Toyota Avalon Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT ACCELERATION SENSOR ASSEMBLY

(a) Connect 3 1.5 V dry cell batteries in series.

(b) Connect a positive (+) lead from the batteries to terminal 3 (SGB) and a negative (-) lead to terminal 2 (SGG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

for LH Side

Tester Connection

Condition

Specified Condition

1 (SGFL) - 2 (SGG)

Sensor stationary

Approx. 2.0 to 2.5 V

Sensor vibrating vertically

Changes between approx. 0.9 and 3.6 V

for RH Side

Tester Connection

Condition

Specified Condition

1 (SGFR) - 2 (SGG)

Sensor stationary

Approx. 2.0 to 2.5 V

Sensor vibrating vertically

Changes between approx. 0.9 and 3.6 V

*A

for LH Side

*B

for RH Side

*a

Component without harness connected

(Front Acceleration Sensor Assembly)

Top

Bottom

NOTICE:

  • Do not apply a voltage of more than 6 V.
  • Do not drop the front acceleration sensor assembly. If it is dropped, replace it with a new one.
  • Never place the front acceleration sensor assembly upside down.

HINT:

When the front acceleration sensor assembly is tilted, it may output a different value.

If the result is not as specified, replace the front acceleration sensor assembly.

    Components

    Installation

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    Toyota Avalon Service & Repair Manual

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