Toyota Sequoia (2005). Manual - part 442

I28553

+/RES

CANCEL

–/SET

ON–
OFF

3

1

2

–

DIAGNOSTICS

CRUISE CONTROL SYSTEM

DI–1563

1757

Proceed to next circuit inspection shown in
problem symptoms table 
(See page 

DI–1541

).

2

Check cruise control switch continuity.

PREPARATION:
(a)

Remove the steering wheel center pad.

(b)

Disconnect the cruise control switch connector.

CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Switch condition

Tester connection

Specified condition

Neutral

1 – 3

Below 1 

Ω

RES/+

1 – 3

210 to 270 

Ω

SET/–

1 – 3

560 to 700 

Ω

CANCEL

1 – 3

1,380 to 1,700 

Ω

Main Switch OFF

1 – 3

10 k

Ω

 or higher

Main Switch ON

1 – 3

Below 1 

Ω

NG

Replace cruise control switch.

OK

I28695

A

B

DI–1564

–

DIAGNOSTICS

CRUISE CONTROL SYSTEM

1758

3

Check harness and connector (Cruise control switch – spiral cable sub–assy).

PREPARATION:
Disconnect the spiral cable connector.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester connection

Condition

Specified condition

A–5 – B–3

Always

Below 1 

Ω

A–4 – B–1

Always

Below 1 

Ω

NG

Repair or replace harness or connector.

OK

I28696

Cruise Control Main Switch Side:

A

C9

Vehicle Side:

–

DIAGNOSTICS

CRUISE CONTROL SYSTEM

DI–1565

1759

4

Inspect spiral cable sub–assy.

PREPARATION:
Disconnect the vehicle side spiral cable connector.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester connection

Condition

Specified condition

A–5 – C9–5

Always

Below 1 

Ω

A–4 – C9–4

Always

Below 1 

Ω

NG

Replace spiral cable sub–assy.

OK

I28461

E5

CCS

ECM Wire Harness View:

I28554

C9

Vehicle Side Connector Front View:

1 2 3 4 5 6

7 8

10 11 12

9

DI–1566

–

DIAGNOSTICS

CRUISE CONTROL SYSTEM

1760

5

Check harness and connector (ECM – spiral cable sub–assy).

PREPARATION:
Disconnect the ECM connector.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester connection 

(Symbol)

Condition

Specification

C9–5 – E5–2 (CCS)

Always

Below 1 

Ω

C9–4 – Body ground

Always

10 k

Ω

 or higher

C9–5 – Body ground

Always

Below 1 

Ω

NG

Repair or replace harness or connector.

OK

Replace ECM (See page 

IN–35

).