Toyota Tundra. Manual — part 1402

Fig. 191: Identifying Park / Neutral Position Switch Connector Terminal

B : Go to step 5

A : Go to Next Step

3. REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

a. Replace the park/neutral position switch.



for 2WD, see REMOVAL .



for 4WD, see REMOVAL .

4. READ VALUE USING TECHSTREAM (STARTER SIGNAL)

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch to ON and turn the Techstream ON.

c. Enter the following menus: Powertrain/Engine and ECT/Data List/All Data/Starter Signal.

d. Check the value displayed on the Techstream when the ignition switch is turned to the ON and

START positions.

OK

IGNITION SWITCH POSITION

NG : Go to step 5

OK : SYSTEM OK

5. INSPECT IGNITION SWITCH ASSEMBLY

Ignition Switch Position STARTER SIG (Starter Signal)

ON

OFF

START

ON

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

a. Disconnect the J9 ignition switch connector.

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Result

RESULT REFERENCE

Fig. 192: Identifying Ignition Switch Connector Terminal

B : Go to step 7

A : Go to Next Step

6. REPLACE IGNITION SWITCH ASSEMBLY

a. Replace the ignition switch. (See IGNITION SWITCH ).

7. READ VALUE USING TECHSTREAM (STARTER SIGNAL)

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch to ON and turn the Techstream ON.

c. Enter the following menus: Powertrain/Engine and ECT/Data List/All Data/Starter Signal.

Tester Connection

Switch Condition

Specified Condition

5 (AM2) - 7 (ST2)

Ignition switch position LOCK 10 kohms or higher

Ignition switch position START

Below 1 ohms

Result Proceed To

NG

A

OK

B

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

d. Check the value displayed on the Techstream when the ignition switch is turned to the ON and

START positions.

OK

IGNITION SWITCH POSITION

NG : Go to step 8

OK : SYSTEM OK

8. REPAIR OR REPLACE HARNESS OR CONNECTOR (PNP SWITCH - STA TERMINAL OF

ECM)

9. CHECK WHETHER DTC OUTPUT RECURS

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch to ON.

c. Turn the Techstream ON.

d. Clear DTCs. (See DTC CHECK/CLEAR ).

e. Drive the vehicle at more than 20 km/h (12.43 mph) for over 20 seconds.

f. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes.

g. Read DTCs.

Result

RESULT REFERENCE

B : SYSTEM OK

A : REPLACE ECM (See REMOVAL )

DTC P0630 VIN NOT PROGRAMMED OR MISMATCH - ECM/PCM

DESCRIPTION

DTC P0630 is set when the Vehicle Identification Number (VIN) is not stored in the Engine Control Module
(ECM) or the input VIN is incorrect. Input the VIN with the Techstream.

DTC DETECTION CONDITION AND TROUBLE AREA

Ignition Switch Position STARTER SIG (Starter Signal)

ON

OFF

START

ON

Result

Proceed To

P0617 is output

A

No DTC is output

B

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

MONITOR STRATEGY

MONITOR STRATEGY

TYPICAL ENABLING CONDITIONS

TYPICAL ENABLING CONDITIONS

TYPICAL MALFUNCTION THRESHOLDS

TYPICAL MALFUNCTION THRESHOLDS

COMPONENT OPERATING RANGE

COMPONENT OPERATING RANGE

INSPECTION PROCEDURE

1. READ CURRENT DTC

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch to ON and turn the Techstream ON.

c. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes.

d. Read DTCs.

Result

DTC Code

DTC Detection Condition

Trouble Area

P0630

When either condition below is met:
(1 trip detection logic)



VIN not stored in ECM



Input VIN incorrect

ECM

Related DTCs

P0630: VIN not programmed

Required Sensors/Components (Main)

ECM

Required Sensors/Components (Related)

-

Frequency of Operation

Continuous

Duration

0.325 seconds

MIL Operation

Immediate

Sequence of Operation

None

Battery voltage

8 V or higher

Ignition switch

ON

Starter

OFF

VIN code

Not programmed

VIN code

Programmed

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra