Toyota Tundra 2005 Service - Repair - Maintenance page 3665

B HOW TO USE THIS MANUAL
The ground points circuit diagram shows the connections from all major parts to the respective ground points. When
troubleshooting a faulty ground point, checking the system circuits which use a common ground may help you identify
the problem ground quickly. The relationship between ground points (
checked this way.
I GROUND POINT
FAN MAIN Relay
FAN MAIN Relay
A/C Relay No.2
A/C Relay No.3
Radiator Fan Motor
Headlight Cleaner Relay
Headlight LH
Headlight RH
Front Turn Signal Light RH
Front Clearance Light RH
Front Turn Signal Light LH
Front Clearance Light LH
Door Lock Control SW
Door Courtesy SW RH
Door Lock Motor RH
Door Lock Control Relay
Blower Resistor
Idle-Up SW
A/C Amplifier
Radio and Player
HEATER Relay
Auto Antenna Motor
∗
The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION.
8
W-B
5
W-B
5 E 3
W-B
5 E 3
W-B
5 E 3
W-B
E 3
W-B
E 2
W-B
E 4
W-B
E 5
W-B W-B W-B
E 4 E 4
W-B W-B
E 5
W-B W-B W-B
E 4 E 6
W-B W-B
2
W-B W-B W-B
IA1
B 4
W-B
B 4
W-B
B 4
W-B
W-B
8
W-B W-B W-B
I 4 IB1 I 8
W-B
4
BR
4
W-B
4
5
BR BR
BA1 4
4
IB
2005 TOYOTA TUNDRA (EWD611U)
EA
W-B
Cigarette Lighter
W-B
O/D Main SW
W-B
Clock
Front Fog Light RH
Front Fog Light LH
Brake Fluid Level SW
I 4
I 5
I 5
10 EA2
W-B
I 5
EA
I 5
4
W-B
4
I 5
IC
, and shown below) can also be
IB IC
A W-B
A/C Control Assembly
A W-B
I 6 Blower Motor
A A W-B W-B
I 6 Blower SW
A A W-B
Parking Brake SW
J 1
Junction
Connector
7
W-B
3B Combination Meter
W-B
Combination SW
7
W-B W-B
3C I 2
1
W-B
3D Cruise Control ECU
3
W-B
3F Remote Control Mirror SW
13
W-B
Turn Signal Flasher
3G
5
W-B W-B
3E Defogger SW
I 2
6
W-B
3E
I 2
Combination SW
W-B W-B
W-B
Unlock Warning SW
15
W-B W-B
ID1 B 5 Power Window Master SW
W-B
Power Window Control
B 5
Relay
W-B
B 5 Door Courtesy SW LH
W-B
Door Lock Control SW
B 5
W-B
Door Lock Motor LH
W-B (4A-GZE)
Fuel Control SW
3
W-B W-B
Woofer Speaker Amplifier
IC3
BR
Combination Meter
BR BR
I 3 I 3 Combination Meter
BR
Fuel Sender