Toyota Tundra (2015 year). Manual - part 3129

 SENSOR, SPEED

Used to provide an unbroken connection
within a junction block.

 SOLENOID

An electromagnetic coil which forms a
magnetic field when current flows, to
move a plunger, etc.

 SPEAKER

An electromechanical device which
creates sound waves from current flow.

1.NORMALLY OPEN

 SWITCH, MANUAL

Opens and closes circuits, thereby
stopping (1) or allowing (2) current flow.

2.NORMALLY CLOSE

 SWITCH, DOUBLE THROW

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 SWITCH, IGNITION

A key operated switch with several
positions which allows various circuits,
particularly the primary ignition circuit,
to become operational.

 SWITCH, WIPER PARK

Automatically returns wipers to the stop
position when the wiper switch is turned
off.

 TRANSISTOR

A solidstate device typically used as an
electronic relay; stops or passes current
depending on the voltage applied at
"base".

1.NOT CONNECTED

 WIRES

Wires are always drawn as straight lines
on wiring diagrams. Crossed wires (1)
without a black dot at the junction are
not joined; crossed wires (2) with a black

dot or octagonal (

) mark at the

junction are spliced (joined) connections.

2.SPLICED

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This manual provides instruction in the following repairs:

How to Inspect for System Inspection
Circuit Protection
Terminal and Connector Repair Procedure

NOTICE:

Old terminal type No.

(inch)

 

New terminal type No.

(mm)

025

->

0.64

040 (II, III, IV)

->

1.0 (II, III, IV)

050

->

1.3

060

->

1.5

070 (II)

->

1.8 (II)

090 (II)

->

2.3 (II)

110

->

2.8

187

->

4.8

250 (II)

->

6.3 (II)

305

->

7.7

312

->

8.0

375

->

9.5

For those connectors which are not shown above,
the terminal type numbers remain unchanged.

What is Wire Harness?

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Wire Harness Components

Harness

(W/H)

Electric Wire
Terminal
Housing
J/B (Junction Block)
R/B (Relay Block)
Other

Electric Wire

B=Black

Y=Yellow

G=Green

BE=Beige

L=Blue

BR=Brown

O=Orange

DG=Dark Gray

P=Pink

GR=Gray

R=Red

LG=Light Green

V=Violet

SB=Sky Blue

W=White

 

Aluminum wires:

LA=Lavender

 

*1 Insulator
*2 Copper Wires (Conductor)

L Blue
Y Yellow

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