Toyota Tundra (2015 year). Manual — part 2777
INSPECTION PROCEDURE
PROCEDURE
1.
READ VALUE USING TECHSTREAM (TILT AND TELESCOPIC MANUAL SWITCH)
(a) Use the Data List to check if the tilt and telescopic manual
switch is functioning properly.
Tilt & Telescopic
TESTER
DISPLAY
MEASUREMENT
ITEM/RANGE
NORMAL
CONDITION
DIAGNOSTIC
NOTE
T&T
Manual SW
Data
max.: 4.99 V
Neutral
position: Below
0.2 V
Tilt up: 1.67 to
2.13 V
Tilt down: 0.54
to 0.74 V
Telescopic
contract: 1.08
to 1.40 V
Telescopic
extend: 2.22 to
2.77 V
-
Result
RESULT
PROCEED
TO
Switch voltages in all directions are outside the
standard.
A
Switch voltages in certain directions are outside the
standard.
B
Switch voltages in all directions are within the
standard.
C
B
REPLACE HEADLIGHT DIMMER SWITCH
C
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
A
OK
2.
CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU -
HEADLIGHT DIMMER SWITCH)
(a) Disconnect the J47 multiplex tilt and telescopic ECU connector.
(b) Disconnect the J10 headlight dimmer switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J47-4 (VC) - J10-8 (VC)
Always
Below 1 Ω
J47-3 (MSW) - J10-10 (MSW)
Always
Below 1 Ω
J10-8 (VC) - Body ground
Always
10 kΩ or higher
J10-10 (MSW) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
3.
CHECK MULTIPLEX TILT AND TELESCOPIC ECU (VC TERMINAL VOLTAGE)
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
OK
(a) Reconnect the J47 multiplex tilt and telescopic ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J47-4 (VC) - J47-3 (MSW)
Ignition switch ON
4.9 to 5.1 V
NG
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU
4.
INSPECT HEADLIGHT DIMMER SWITCH (TILT AND TELESCOPIC MANUAL SWITCH)
(a) Disconnect the J10 headlight dimmer switch connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
8 (VC) - 10 (MSW)
Tilt up
342 to 378 Ω
Tilt down
1890.5 to 2089.5 Ω
Telescopic contract
750.5 to 829.5 Ω
Telescopic extend
152 to 168 Ω
NG
REPLACE HEADLIGHT DIMMER SWITCH
OK
REPLACE MULTIPLEX TILT AND TELESCOPIC ECU
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC ...
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