Toyota Sequoia (2005). Manual - part 196

–

DIAGNOSTICS

AUTOMATIC TRANSMISSION

DI–579

773

INSPECTION PROCEDURE

HINT:
According to the DATA LIST displayed by the OBD II scan tool or hand–held tester, you can read the value
of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as the first step of
troubleshooting  is one method to shorten labor time.
(a)

Warm up the engine.

(b)

Turn the ignition switch off.

(c)

Connect the OBD II scan tool or hand–held tester to the DLC3.

(d)

Turn the ignition switch to the ON position.

(e)

Push the ”ON” button of the OBD II scan tool or the hand–held tester.

(f)

When you use the hand–held tester:
Select the item ”DIAGNOSIS / ENHANCED OBD II / DATA LIST”.

(g)

According to the display on the tester, read the ”DATA LIST”.

Item

Measurement Item/

Range (display)

Normal Condition

Diagnostic Note

PNP SW [NSW]

PNP SW Status/

ON or OFF

Shift lever position is;

P and N: ON

Except P and N: OFF

When the shift lever position dis-

played on the hand–held tester dif-

fers from the actual position, ad-

justment of the PNP switch or the

shift cable may be incorrect.

LOW

PNP SW Status/

ON or OFF

Shift lever position is 2: OFF

↓

Shift position L switch Push: ON

↓

Shift position L switch Push: OFF

↑

2ND

PNP SW Status/

ON or OFF

Shift lever position is;

2 and L: ON

Except 2 and L: OFF

↑

3RD

PNP SW Status/

ON or OFF

Shift lever position is;

3: ON

Except 3: OFF

↑

DRIVE

PNP SW Status/

ON or OFF

Shift lever position is;

D: ON

Except D: OFF

↑

REVERSE

PNP SW Status/

ON or OFF

Shift lever position is;

R: ON

Except R: OFF

↑

D14154

Switch Side:
(Connector Front View):

P1

DI–580

–

DIAGNOSTICS

AUTOMATIC TRANSMISSION

774

1

Inspect park/neutral position switch.

PREPARATION:
(a)

Jack up the vehicle.

(b)

Disconnect the park/neutral position switch connector.

CHECK:
Measure the resistance according to the value(s) in the table
below when the shift lever is moved to each position.
OK:

Shift Position

Tester Connection

Specified Condition

P

2 – 6 and 4 – 5

Below 1 

Ω

Except P

↑

10 k

Ω

 or higher

R

2 – 1

Below 1 

Ω

Except R

↑

10 k

Ω

 or higher

N

2 – 9 and 4 – 5

Below 1 

Ω

Except N

↑

10 k

Ω

 or higher

D

2 – 7

Below 1 

Ω

Except D

↑

10 k

Ω

 or higher

3

2 – 3

Below 1 

Ω

Except 3

↑

10 k

Ω

 or higher

2

2 – 8

Below 1 

Ω

Except 2

↑

10 k

Ω

 or higher

NG

Replace park/neutral position switch
(See page 

AT–9

).

OK

D14155

E8

E7

E6

E5

E4

R(+)

D(+)

2(+)

3(+)

STAR/NSW(+)

ECM:

–

DIAGNOSTICS

AUTOMATIC TRANSMISSION

DI–581

775

2

Check harness and connector (Park/neutral position switch – ECM).

PREPARATION:
(a)

Connect the park/neutral position switch connector.

(b)

Turn the ignition switch ON.

CHECK:
Measure the voltage according to the value(s) in the table be-
low when the shift lever is moved to each position.

OK:

Shift Position

Tester connection

Specified condition

P and N

E7 – 8 (STAR/NSW) – Body ground

Below 2 V

Except P and N

↑

10 to 14 V

R

E5 – 11 (R) – Body ground

10 to 14 V

*

Except R

↑

Below 1 V

D and 4

E5 – 21 (D) – Body ground

10 to 14 V

Except D and 4

↑

Below 1 V

3

E5 – 19 (3) – Body ground

10 to 14 V

Except 3

↑

Below 1 V

2 and L

E5 – 10 (2) – Body ground

10 to 14 V

Except 2 and L

↑

Below 1 V

HINT:
*: The voltage will drop slightly due to lighting up of the back up
light.

NG

Repair or replace the harness or connector
(See page 

IN–35

).

OK

Replace the ECM (See page 

SF–80

).

DI–582

–

DIAGNOSTICS

AUTOMATIC TRANSMISSION

776

DTC

P0710

Transmission Fluid Temperature Sensor ”A”
Circuit

DTC

P0712

Transmission Fluid Temperature Sensor ”A”
Circuit Low Input

DTC

P0713

Transmission Fluid Temperature Sensor ”A”
Circuit High Input

DIDJ6–01