Toyota Tundra. Manual — part 2473
a. Clear the DTC (see DTC CHECK / CLEAR ).
b. Recheck for DTC (see DTC CHECK / CLEAR ).
Result
DTC RESULT CHART
B: GO TO DIAGNOSTIC TROUBLE CODE CHART
A: Go to next step
5. PROBLEM SYMPTOMS TABLE
Result
RESULT CHART
B: Go to step 7
A: Go to next step
6. OVERALL ANALYSIS AND TROUBLESHOOTING*
a. Operation Check (see OPERATION CHECK ).
b. Terminals of ECU (see TERMINALS OF ECU ).
c. DATA LIST / ACTIVE TEST (see DATA LIST / ACTIVE TEST ).
7. ADJUST, REPAIR OR REPLACE
8. CONFIRMATION TEST
NEXT: END
OPERATION CHECK
1. CHECK ILLUMINATED ENTRY SYSTEM OPERATION
a. The illuminated entry system controls the following lights:
Ignition key cylinder light
Foot light
Map light
Result
Proceed to
DTC is not output
A
DTC is output
B
Result
Proceed to
Fault is not listed in problem symptoms table
A
Fault is listed in problem symptoms table
B
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
Room light
b. Check the illuminated entry system with the ignition switch OFF.
1. Check that the lights turn on when unlocking any of the doors that are closed and locked with
the ignition switch OFF. Then check that the lights fade out under the following conditions:
Leave the doors unlocked for 15 seconds.
Turn the ignition switch ACC or ON.
Lock all the doors.
2. Check that the lights stay on for at least 15 seconds after opening any of the doors before
fading out. Then check that the lights fade out 15 seconds after closing all the doors.
c. Check the illuminated entry system with the ignition switch ACC or ON.
1. Check that the lights stay lit after turning the ignition switch OFF with all the doors closed
and the ignition switch ACC or ON. Then check that the lights fade out under the following
conditions:
Leave the doors unlocked for 15 seconds.
Turn the ignition switch ACC or ON.
Lock all the doors.
2. Check that the lights stay on for at least 15 seconds after opening any of the doors. Then
check that the lights fade out 15 seconds after closing all the doors.
3. Check that the lights turn on when opening any of the doors and fade out when closing and
locking all the doors or turning the ignition switch ACC or ON.
2. CHECK FOOT LIGHT OPERATION
a. Check that the lights turn on when unlocking any of the doors that are closed and locked with the
ignition switch OFF. Then check that the lights fade out under the following conditions:
Leave the doors unlocked for 15 seconds.
Turn the ignition switch OFF and lock all the doors.
b. Check that the lights stay on for approximately 15 seconds under the following conditions before
going off.
1. Turn the ignition switch to the ON, and move the shift lever to the P.
2. Open any of the doors.
c. Check that the lights dim before going off when the engine is started and the shift lever is moved to
any position other than P.
d. Check the conditions below before the lights turn off.
1. The lights dim when moving the shift lever into a position other than P and closing all the
doors with the engine started.
2. The lights turn on for approximately 15 seconds and fade out when closing all the doors with
the ignition switch OFF and the shift lever in the P position.
e. Check that the lights turn on after opening any of the doors.
f. Check that the lights fade out approximately 15 seconds after closing all the doors, or locking all
the doors.
g. Check that the lights turn on gradually with the ignition switch ON and the shift lever in the P
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
position.
h. Check that the lights dim when shifting the shift lever from P into another position with all the
doors closed and the engine started.
i. Check that the lights stay dimmed with the ignition switch ON and the shift lever in a position other
than P.
3. CHECK BATTERY SAVER OPERATION
a. Turn the ignition switch OFF and close all the doors.
b. Open the driver side door to turn the room light on, and leave the door open. Check that the light
turns off after about 20 minutes.
c. After the room light turns off, close the driver's door.
d. Open any door to turn the room light on, and then open another door. Check that the room light
turns off within 20 minutes after opening the doors.
4. CHECK LIGHT AUTO TURN OFF OPERATION
a. Turn the ignition switch ON, and turn the light control switch to TAIL or HEAD.
b. Turn the ignition switch OFF and open the driver door. If the light control switch is TAIL, check
that the taillight turns off immediately. If the light control switch is HEAD, check that the headlight
and taillight turn off after approximately 30 seconds.
c. Turn the ignition switch ON, and turn the light control switch to HEAD.
d. Turn the ignition switch OFF and open the driver's door. Within 30 seconds, lock all the doors.
Check that the headlight and taillight turn off immediately.
5. CHECK DAYTIME RUNNING LIGHT OPERATION
a. Check that the turn signal lights turn on when the light control switch is OFF with the engine
running and the parking brake released. Then check that the lights turn off under the following
conditions:
Turn the light control switch to TAIL or HEAD.
CUSTOMIZE PARAMETERS
1. CUSTOMIZING FUNCTION WITH TECHSTREAM
HINT:
The following items can be customized.
a. Connect the Techstream to the DLC3.
b. Turn the ignition switch ON.
NOTE:
When the customer requests a change in a function, first make sure
that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshooting a function, first make sure that the function is
set to the default setting.
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
c. Turn the tester on.
d. Enter the following menus:
1. Techstream - Select: Customize Setting.
e. Select the setting by referring to the table below.
Techstream
Main Body
MAIN BODY - TECHSTREAM
*1
Display
Default
Contents
Setting
I/L ON /
ACC OFF
ON
Illuminates light when ignition switch turned
to ACC (Room light illuminated when
interior light switch set to DOOR)
ON / OFF
Lighting
Time
15s
Changes illumination duration after door
closure (It will quickly fade out when turning
ignition switch ON)
7.5s/15s/30s
I/L ON /
Unlock
ON
Function to light up room light when
unlocking with door key cylinder (Room
light illuminated when interior light switch
set to DOOR)
ON/OFF
Light OFF
Delay
30s
Function to continue illuminating headlight
for certain period of time after closing all
doors with ignition switch turned from ON to
OFF under condition that light control switch
is at HEAD or AUTO with the headlight ON
OFF / 30s / 60s / 90s
Sensitivity NORMAL
Function to adjust sensitivity of lighting
illumination*1
LIGHT2 / LIGHT1 /
NORMAL /
DARK1 /DARK2
Disp Ex
ON Sen
NORMAL
Changes brightness when lowering lights
such as combination meter indicator light,
A/C indicator light, and clock light*2
LIGHT2 / LIGHT1 /
NORMAL /
DARK1/DARK2
Disp Ex
OFF Sen
NORMAL
Changes brightness when canceling lowering
lights such as combination meter indicator
light, A/C indicator light, and clock light*3
LIGHT2 / LIGHT1 /
NORMAL /
DARK1/DARK2
HINT:
*1: The sensitivity adjustment may be difficult to confirm. Check by driving the customer's
vehicle.
2009 Toyota Tundra
2009 ACCESSORIES AND EQUIPMENT Lighting - Tundra
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