Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIIK
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: CRUISE CONTROL: CRUISE CONTROL MAIN SWITCH: INSPECTION; 2016 - 2020 MY Sienna [12/2015 -        ]

INSPECTION

PROCEDURE

1. INSPECT CRUISE CONTROL MAIN SWITCH (w/o Dynamic Radar Cruise Control System)

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

Text in Illustration

*a

Component without harness connected:

(Cruise Control Main Switch)

*b

+RES

*c

ON/OFF

*d

CANCEL

*e

-SET

-

-

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 (ECC) - 4 (CCS)

Main Switch off*1

10 MΩ or higher

Main Switch on

Below 1.5 Ω

+ RES

235 to 245 Ω

- SET

617 to 643 Ω

CANCEL

1509 to 1571 Ω

*1: Lever is in the neutral position

If the result is not as specified, replace the cruise control main switch.

(b) Illumination Inspection.

(1) Apply battery voltage to the cruise control main switch and check that the switch illuminates.

Text in Illustration

*a

Component without harness connected:

(Cruise Control Main Switch)

*b

Cruise Control Main Switch Body

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 2 (IL+2)

Battery negative (-) → Cruise control main switch body

Illuminates

If the result is not as specified, replace the cruise control main switch.

2. INSPECT CRUISE CONTROL MAIN SWITCH (w/ Dynamic Radar Cruise Control System)

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

Text in Illustration

*a

Component without harness connected:

(Cruise Control Main Switch)

*b

+RES

*c

MODE

*d

ON/OFF

*e

CANCEL

*f

-SET

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 (ECC) - 3 (R/N)

Main Switch off*1

10 MΩ or higher

MODE

Below 1.5 Ω

1 (ECC) - 4 (CCS)

Main Switch off*1

10 MΩ or higher

Main switch on

Below 1.5 Ω

+ RES

235 to 245 Ω

- SET

617 to 643 Ω

CANCEL

1509 to 1571 Ω

*1: Lever is in the neutral position

If the result is not as specified, replace the cruise control main switch.

(b) Illumination Inspection.

(1) Apply battery voltage to the cruise control main switch and check that the switch illuminates.

Text in Illustration

*a

Component without harness connected:

(Cruise Control Main Switch)

*b

Cruise Control Main Switch Body

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 2 (IL+2)

Battery negative (-) → Cruise control main switch body

Illuminates

If the result is not as specified, replace the cruise control main switch.