Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT COMBINATION SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY)

(a) Inspect the "NORMAL" or "NORMAL/CUSTOM" mode switch:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

13 (B) - 16 (GND1)

"NORMAL" or "NORMAL/CUSTOM" mode switch being pushed and held

Below 1 Ω

"NORMAL" or "NORMAL/CUSTOM" mode switch not pushed

10 kΩ or higher

If the result is not as specified, replace the combination switch (electric parking brake switch assembly).

*a

Component without harness connected

(Combination Switch (Electric Parking Brake Switch Assembly))

(b) Inspect the "SPORT" or "SPORT S/S+" mode switch:

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

12 (P) - 16 (GND1)

"SPORT" or "SPORT S/S+" mode switch being pushed and held

Below 1 Ω

"SPORT" or "SPORT S/S+" mode switch not pushed

10 kΩ or higher

If the result is not as specified, replace the combination switch (electric parking brake switch assembly).

*a

Component without harness connected

(Combination Switch (Electric Parking Brake Switch Assembly))

(c) Inspect the illumination:

(1) Apply battery voltage to the combination switch (electric parking brake switch assembly) and check that the switch illuminates.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 3 (ILL+)

Battery negative (-) → Terminal 7 (ILL-)

Illuminates

If the result is not as specified, replace the combination switch (electric parking brake switch assembly).

*a

Component without harness connected

(Combination Switch (Electric Parking Brake Switch Assembly))

    Components

    Installation

    See More:

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    TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Signal Input/Output Condition Specified Condition G16-1 (ILL-) - Body ground LA-L - Body groun ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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