Toyota Sequoia (2005). Manual — part 196
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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
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
).
OK
Replace the ECM (See page
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
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