Ground Point - Toyota MR2 2000 Manual

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 FAN RELAY NO.2
A/C FAN RELAY NO.3
RADIATOR FAN MOTOR
RETRACT CONTROL
RELAY
RETRACT MOTOR RH
RETRACT MOTOR LH
FRONT TURN SIGNAL
LIGHT RH
PARKING LIGHT RH
FRONT TURN SIGNAL
LIGHT LH
PARKING LIGHT LH
DOOR LOCK CONTROL
SW RH
DOOR KEY LOCK
SW RH
DOOR LOCK MOTOR
RH
DOOR LOCK CONTROL
RELAY
BLOWER RESISTOR
ELECTRICAL IDLE−UP
CUT RELAY (M/T)
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
E 3
5
W–B
E 3
5
W–B
E 3
5
W–B
E 3
W–B
E 2
W–B
E 4
W–B
E 5
W–B
W–B
E 4 E 4
W–B
W–B
E 5
W–B
W–B
E 4 E 6
W–B W–B
2
W–B W–B W–B
B 4 IA1
W–B
B 4
W–B
B 4
W–B
W–B
8
W–B W–B
IB1
I 4 I 8
W–B
4
BR
4
W–B
4
5
BR BR
BA1 4
4
IB
2000 MR2 (EWD408U)
EA
W–B
CIGARETTE LIGHTER
W–B
O/D MAIN SW
W–B
CLOCK
FRONT SIDE MARKER
LIGHT RH
FRONT SIDE MARKER
LIGHT LH
BRAKE FLUID LEVEL
WARNING SW
I 4
I 5
I 5
10 EA2
I 5
EA
I 5
4
W–B
4
I 5
IC
, and shown below) can also be
IB IC
A W–B HEATER CONTROL
ASSEMBLY
A HEATER SERVO
I 6
MOTOR AMPLIFIER
A A
I 6 BLOWER SW
W–B
A A
PARKING BRAKE SW
J 1
JUNCTION
CONNECTOR
7
W–B
3B
COMBINATION METER
W–B
HORN SW [COMB. SW]
7
W–B
DIMMER SW
3C
I 2
[COMB. SW]
1
W–B
CRUISE CONTROL
3D
MIRROR SW
3
W–B
REMOTE CONTROL
3F
MIRROR SW
13
W–B
3G
TURN SIGNAL FLASHER
5
W–B
REAR WINDOW
3E
I 2
DEFOGGER SW
6
LIGHT CONTROL SW
3E
[COMB. SW]
I 2
W–B
WIPER AND WASHER
SW [COMB. SW]
W–B
UNLOCK WARNING
SW
15
POWER WINDOW
ID1 B 5
MASTER SW
POWER WINDOW
B 5
CONTROL RELAY
DOOR KEY LOCK SW LH
B 5
DOOR LOCK CONTROL
B 5
SW
DOOR LOCK MOTOR LH
W–B (4A–GZE)
FUEL CONTROL SW
3
W–B
IC3 WOOFER AMPLIFIER
BR
COMBINATION METER
BR BR
I 3 I 3
COMBINATION METER
BR
FUEL SENDER