MotoSpec
Source
Specs & Capacities
Torque Specs
DTC / Trouble Codes
Recalls & TSBs
Browse
Chevrolet
·
Sonic
·
2018 Chevrolet Sonic
·
Wiring
Wiring diagram
2018 Chevrolet Sonic — power distribution
Sheets
5
Labels
1230
Power distribution
Sheet 1
of 5
Sheet 2
of 5
Sheet 3
of 5
Sheet 4
of 5
Sheet 5
of 5
2
1
1
2
1
2
A
30A
7.5A
430A
10A
10A
30
85
87
86
5A
15A
30
10A
150A
80A
20A
C
B
20A
25A
40A
10A
20A
15A
20A
7.5A
7.5A
25A
40A
5A
30A
BATTERY
UNDERHOOD FUSE BLOCK
BATTERY
FUSE BLOCK
OUTSIDE
REAR VIEW
MIRROR
SWITCH
DRIVER
WINDOW
SWITCH
KEYLESS
ENTRY
CONTROL
MODULE
CHASSIS
CONTROL
MODULE
STARTER
MOTOR
GENERATOR
ELECTRONIC BRAKE
CONTROL MODULE
BODY
CONTROL
MODULE
SEAT HEATING
CONTROL
MODULE
POWER
STEERING
CONTROL
MODULE
STARTER
RELAY
INSTRUMENT PANEL
FUSE BLOCK
STEERING
WHEEL
AIR BAG
COIL
TRANSMISSION
CONTROL
MODULE
CONTROL
SOLENOID
VALVE
ASSEMBLY
AUTOMATIC
TRANSMISSION
ASSEMBLY
STEERING
WHEEL
HEATING
CONTROL
MODULE
DRIVER
SEAT
ADJUSTER
SWITCH
PASSENGER
PRESENCE
MODULE
HVAC CONTROL
MODULE
BLOWER
MOTOR
ENGINE
CONTROL
MODULE
SUNROOF
CONTROL
MODULE
EVAPORATIVE
EMISSION VENT
SOLENOID VALVE
BODY
CONTROL
MODULE
INTAKE
MANIFOLD
TUNING
SOLENOID
VALVE
BRAKE
BOOSTER
PUMP
MOTOR
TURBOCHARGER
BYPASS
SOLENOID
VALVE
TURBOCHARGER
WASTEGATE
SOLENOID
VALVE
MULTI-FUNCTION
INTAKE AIR
SENSOR
ENGINE CONTROL
MODULE
EVAPORATIVE
EMISSION
PURGE SOLENOID
VALVE
ENGINE
COOLANT
THERMOSTAT
HEATER
X5
14
X202
43
3
2
1
5
X2
A4
20
D
X301
1
X3
1
X500
14
4
X1
2
X2
1
2
13
X201
2
28
2
5
2
1
F5
2
D3
X1
40
X2
13
28
D1
5
X302
15
J2
A
B9
1
C2
X3
X202
34
X2
2
2
X208
19
6
X2
X350
E
1
X1
F2
20
X1
21
1
4
J1
X301
4
B
X1
20
X4
1
25
X4
X2
X1
A
X2
D2
D5
E1
X3
X2
K1
C3
X3
C1
D10
X2
C6
J3
C7
J4
F1
A2
RED/
YEL
BRN/
VIO
BRN/
VIO
BLK
BLK
BLU
RED/
WHT
RED/
BRN
VIO/
VIO/
BRN
VIO/
BRN
BLU
RED/
RED/
WHT
RED/
YEL
VIO
RED/
RED/
VIO
BLU
VIO/
VIO/
BLU
VIO/
BLU
RED
BLU
RED/
RED/
WHT
BLU
VIO/
VIO/
BLU
BLU
VIO/
VIO/
BLU
BLU
VIO/
YEL
VIO/
BLU
BLU
VIO/
WHT
RED/
RED/
WHT
GRN
RED
VIO/
VIO
VIO
RED/
RED/
YEL
RED/
YEL
VIO/
BRN
RED/
BLU
RED/
BLU
BLU
RED/
WHT
RED/
WHT
BLU
BLU
RED/
WHT
RED/
WHT
BRN
RED/
WHT
RED/
BRN
RED/
WHT
BRN
RED/
BRN
RED/
YEL
WHT
RED/
RED/
YEL
RED/
WHT
RED/
WHT
RED/
YEL
YEL
RED/
RED/
GRN
RED/
YEL
RED/
GRN
RED/
RED/
RED/
RED/
RED/
RED/
PASSIVE
ENTRY/
PASSIVE
START
FUSE
ABS
VALVE
FUSE
HEATED
SEAT FRONT
FUSE
ABS PUMP
FUSE
FSCM 1
FUSE
OSRVM/POWER
WINDOW SWITCH
FUSE
RVC
FUSE
FUSE
4
FUSE
2
FUSE
1
SUNROOF
FUSE
POWER SEAT
FUSE
BLOWER
FUSE
START
FUSE
ECM
FUSE
CANISTER VENT
FUSE
TCM
FUSE
AOS/ROS
FUSE
BLOWER
MOTOR
RELAY
SPARE
FUSE
HVAC
FUSE
ENGINE
CONTROLS
IGNITION
RELAY
ECM 2
FUSE
ECM 1
FUSE
ECM 4
FUSE
EVP
FUSE
1.8L
1.4L TURBO
(IF EQUIPPED)
(IF EQUIPPED)
(IF EQUIPPED)
(NOT
USED)
(NOT
USED)
(A/T)
(IF EQUIPPED)
(1.8L)
(A/T)
(1.4L TURBO)
(1.4L TURBO)
(NEXT TO LEFT FRONT STRUT TOWER)
(ATTACHED TO
POSITIVE BATTERY
POST)
(LEFT END OF DASH)
(TOP OF
STEERING
COLUMN)
(INSTRUMENT PANEL
HARNESS,
NEAR BREAKOUT TO
ACCELERATOR &
BRAKE
PEDAL POSITION
SENSORS)
(UNDER
CENTER
CONSOLE)
(1.8L: ENGINE HARNESS,
NEAR BREAKOUT TO CAMSHAFT POSITION SENSOR)
(1.4L TURBO: ENGINE HARNESS,
NEAR BREAKOUT TO
MASS AIR FLOW
SENSOR)
(1.4L TURBO:
ENGINE HARNESS,
NEAR
BREAKOUT TO FUEL
INJECTORS)
(1.8L: ENGINE
HARNESS,
NEAR
BREAKOUT TO
MANIFOLD
TUNING SOLENOID)
J224
J236
J133
J132
G301
TO FUSE 3
(DIAGRAM
3 OF 5)
TO INJECTOR/
IGNITION COIL FUSE
(DIAGRAM
2 OF 5)
TO WINDSHIELD
WIPER SPEED
CONTROL RELAY
(DIAGRAM 2 OF 5)
1
2
1
1
2
2
40A
30
10A
85
60A
40A
30
85
85
30
85
30
D
85
87
30
86
10A
20A
87
30A
86
86
30
40A
85
30
30A
30
85
10A
30
85
C
E
B
15A
10A
10A
10A
30A
10A
WINDSHIELD
WIPER SPEED
CONTROL
RELAY
REAR
DEFOGGER
RELAY
WINDSHIELD
WIPER
RELAY
FRONT FOG
LAMP RELAY
REAR
WIPER RELAY
REAR WIPER
MOTOR
FUEL
INJECTOR 4
FUEL
INJECTOR 2
FUEL
INJECTOR 3
FUEL
INJECTOR 4
FUEL
INJECTOR 2
FUEL
INJECTOR 3
FUEL
INJECTOR 1
IGNITION
COIL MODULE
FUEL
INJECTOR 1
REAR
WINDOW
WASHER
PUMP
RELAY
WINDSHIELD
WASHER
PUMP
RELAY
COOLING
FAN MEDIUM
SPEED RELAY
HORN
RELAY
HEADLAMP
HIGH BEAM
RELAY
A/C COMPRESSOR
CLUTCH RELAY
COOLING
FAN HIGH
SPEED RELAY
COOLING FAN LOW
SPEED RELAY
UNDERHOOD
RELAY
BLOCK
COOLING FAN
SPEED CONTROL
RELAY 2
COOLING FAN
SPEED CONTROL
RELAY
HEATED
OXYGEN
SENSOR 1
HEATED
OXYGEN
SENSOR 2
UNDERHOOD FUSE BLOCK
SECONDARY
AIR INJECTION
PUMP
RELAY
SECONDARY
AIR INJECTION
SOLENOID
VALVE RELAY
TRANSMISSION
CONTROL
MODULE
CONTROL
SOLENOID
VALVE
ASSEMBLY
AUTOMATIC
TRANSMISSION
ASSEMBLY
ENGINE
CONTROL
MODULE
BRAKE BOOSTER
VACUUM
SWITCH
CHASSIS
CONTROL
MODULE
REAR VIEW
CAMERA
12
X901
6
12
X900
6
1
1
1
1
X3
X2
X2
G12
X1
B6
X3
H6
X1
H5
21
1
X1
19
X202
23
1
3
1A
X900
5
2
X2
H4
1
1
X3
D4
B5
A
X160
5
A
A
A
A
B6
J11
J12
X2
X3
G5
K4
X2
C5
J8
BLK
VIO/
BLK
VIO/
VIO/
BLK
VIO/
BLK
BLU
VIO/
VIO/BLU
BLU/
WHT
BLU/
WHT
BLU/
WHT
WHT
BLU/
VIO/
BLU
BLU
VIO/
VIO/
GRY
WHT
BLU/
WHT
BLU/
WHT
BLU/
BLU/WHT
BLU
VIO/
VIO/
BLU
BLU
VIO/
BLU
VIO/
BLU
VIO/
BLK
VIO/
BLK
VIO/
BLK
GRY
VIO/
VIO/
GRY
VIO/
GRY
VIO/
GRY
VIO/
WHT
WHT
VIO/
GRY/
VIO
GRY/
VIO
VIO/
BLU
NCA
BLU
VIO/
NCA
VIO/
BLU
VIO/
BLU
VIO/
BLU
BLU
VIO/
BLU/
WHT
BLU
VIO/
BLU/
WHT
VIO
BLK
GRN/
FRT WIPER
FUSE
REAR WIPER
FUSE
INJECTOR/
IGNITION COIL
FUSE
AC
CLUTCH
FUSE
COOL
FAN K4
FUSE
COIL
FUSE
ECM 3
FUSE
COOL
FAN K5
FUSE
WASHER
FUSE
IGNITION
MAIN
RELAY
RUN/
CRANK IEC
FUSE
TCM 1/ DC-DC
CONVERTER
FUSE
SAI
PUMP
FUSE
ECM 5
FUSE
FSCM 2/
LEVELING
FUSE
1.4L
TURBO
1.8L
(HATCHBACK)
1.4L
TURBO
1.8L
(HATCHBACK)
(1.4L TURBO)
1.4L
TURBO
1.8L
(1.8L)
(1.8L)
(NOT
USED)
(NOT USED)
A/T
1.8L
1.4L TURBO
SEDAN
(A/T)
(ENGINE HARNESS,
IN PLASTIC HARNESS PROTECTOR)
(ENGINE HARNESS, NEAR BREAKOUT TO ENGINE CONTROL MODULE)
(FUEL INJECTOR HARNESS,
NEAR X160)
(1.4L TURBO: ENGINE HARNESS,
NEAR BREAKOUT TO ALTERNATOR)
(1.8L: ENGINE HARNESS,
NEAR BREAKOUT TO STARTER MOTOR)
(FORWARD LAMP HARNESS,
IN VICINITY OF FUSE BLOCK)
(LEFT FRONT OF
ENGINE COMPT)
(LEFT REAR
OF ENGINE
COMPT)
(NEXT TO LEFT FRONT STRUT TOWER)
(1.4L TURBO: ENGINE HARNESS,
NEAR BREAKOUT TO FUEL INJECTORS)
(1.8L: ENGINE HARNESS, NEAR
BREAKOUT TO UNDERHOOD FUSE BLOCK)
J118
J118
J102
J117
J130
J115
J128
G102
FROM ECM 1 FUSE
(DIAGRAM
1 OF 5)
FROM
ENGINE CONTROLS
IGNITION RELAY
(DIAGRAM
1 OF 5)
FROM BODY
CONTROL
MODULE
(DIAGRAM
4 OF 5)
TO SPLICE J215
(DIAGRAM 3 OF 5)
1
2
2
1
A
L
J
100A
10A
10A
D
G
10A
F
30A
20A
20A
25A
30A
30A
20A
2A
15A
10A
10A
10A
30A
F
20A
20A
30A
30A
60A
30A
80A
INSTRUMENT PANEL FUSE BLOCK
BATTERY
FUSE BLOCK
BODY CONTROL MODULE
DRIVER
WINDOW
MOTOR
PASSENGER
WINDOW
MOTOR
INSTRUMENT PANEL FUSE BLOCK
REAR
COMPARTMENT
LID UNLATCH
RELAY
LIFTGATE
UNLATCH
RELAY
DATA LINK
CONNECTOR
INFLATABLE
RESTRAINT
SENSING &
DIAGNOSTIC
MODULE
HVAC
CONTROL
MODULE
SERIAL
DATA
GATEWAY
MODULE
FRONT VIEW
CAMERA
MODULE
RIGHT
REAR
WINDOW
SWITCH
LEFT
REAR
WINDOW
SWITCH
INSTRUMENT
PANEL
FUSE BLOCK
INSTRUMENT
CLUSTER
HEADLAMP
SWITCH
PASSENGER
AIR BAG
DISABLE
INDICATOR
X500
22
2
X700
17
8
X800
17
X202
33
8
1
X1
19
X200
X208
5
3
X1
9
8
1
X2
1
16
9
2
3
X2
X5
X2
13
X202
14
3
2
3
4
4
X2
3
X1
4
1
X600
29
X202
24
X3
VIO
RED/
RED/
GRN
RED/
GRN
GRN
RED/
GRN
RED/
RED/
GRN
GRN
RED/
RED/
GRN
RED/
GRN
GRN
RED/
GRN
RED/
BLU
RED/
BLU
RED/
RED/
YEL
YEL
RED/
YEL
RED/
RED/
GRN
BLU/
WHT
WHT
BLU/
WHT
VIO
RED/
RED/
BLU
YEL
GRN
RED/
RED/
RED/
BRN
GRY
RED/
RED/
RED/
WHT
RED/
VIO
BLU
RED/
GRN
RED/
YEL
RED/
BRN
RED/
GRY
RED/
WHT
RED/
WHT
RED/
GRN
RED/
WHT
VIO/
WHT/
BLU
WHT/
BLU
VIO/
BLK
VIO/
BLK
VIO/
GRN
GRN
VIO/
WHT
VIO/
WHT
VIO/
GRN
RED/
GRN
RED/
VIO
RED/
YEL
RED/
YEL
RED/
RED/
GRY
RED/
GRY
RED/
BLU
RED/
BLU
PWR
WNDW
EXP DRV
FUSE
DCDC
CONV
FUSE
BCM 6
FUSE
BCM 8
FUSE
BCM 2
FUSE
BCM 3
FUSE
BCM 5
FUSE
BCM 7
FUSE
PTC 2
FUSE
BCM 4
FUSE
BCM 1
FUSE
PTC 1
FUSE
FUSE
3
L/GATE
FUSE
DLC
FUSE
SPARE
FUSE
VLBS
FUSE
DLIS
FUSE
AIR BAG
FUSE
CHEVYSTAR
FUSE
HVAC
FUSE
IPC AOS
FUSE
HDLP ALC
FUSE
(NOT
USED)
(NOT
USED)
1.8L
1.4L TURBO
(HATCHBACK)
(SEDAN)
(ATTACHED TO POSITIVE
BATTERY POST)
(LEFT END OF DASH)
(BODY
HARNESS,
NEAR G303)
(LEFT END OF DASH)
(BODY HARNESS, NEAR X700)
(INSTRUMENT PANEL HARNESS,
NEAR BREAKOUT TO X202)
(LEFT END OF DASH)
J340
J344
J215
TO SPARE
FUSE
(DIAGRAM
3 OF 5)
FROM
FUSE 4
(DIAGRAM
1 OF 5)
TO INSTRUMENT
PANEL FUSE
BLOCK
(DIAGRAM
5 OF 5)
TO SPARE
FUSE
(DIAGRAM
5 OF 5)
FROM
BCM 8
FUSE
(DIAGRAM
3 OF 5)
TO IGNITION
SWITCH
(DIAGRAM
4 OF 5)
FROM
UNDERHOOD
FUSE BLOCK
(DIAGRAM 2 OF 5)
LO REF
SW SIG 2
PASSIVE START
K
COIL CTRL
RAP RLY 2
ACTIVE SIG
RUN/CRANK
IGNITION 1 VOLTAGE
ACTIVE SIG
MODE VOLTAGE
IGNITION MODE SW
START LED SIG
IGNITION MODE SW
ACCESSORY LED SIG
IGNITION MODE SW
H
COIL CTRL
RAP RLY
E
RUN/CRANK RLY
COIL CTRL
RESISTOR SIG
IGNITION KEY
OFF/RUN/CRANK
VOLTAGE
RUN/CRANK
IGNITION 1 VOLTAGE
VOLTAGE
ACCESSORY IGN
START
ACC
RUN
RUN
START
OFF
START
ACC
OFF
G
OFF
ACC
RUN
START
OFF
ACC
RUN
ACC
START
RUN
OFF
KEYLESS ENTRY
CONTROL MODULE
BODY CONTROL
MODULE
30
X200
7
20
8
X1
17
X2
X4
25
10
11
12
X202
13
12
8
5
2
4
6
3
7
X202
27
X1
13
X202
25
16
X7
15
22
15
6
5
X3
6
4
2
1
3
GRY/GRN
GRY/GRN
BLU/BLK
BRN/BLK
BLU/GRN
YEL/BLU
YEL/BLU
GRN/BLK
GRN/BLK
BLK/GRY
BLK/GRY
BLK
YEL
BLU/BLK
BRN/BLK
BLK
BLU/GRN
GRN/BLK
BLK/GRY
VIO/BLK
VIO/BLK
VIO/BLK
VIO/BLK
GRY/VIO
GRY/VIO
GRN/VIO
WHT/BLK
WHT/VIO
VIO/BLK
VIO/YEL
BLK
WHT/
VIO
WHT/
RED/
VIO
VIO/
YEL
VIO/
BLK
IGNITION
SWITCH
ENGINE
START/STOP
ACC IND
START IND
ILL
IGNITION MODE SWITCH
(W/O PASSIVE
KEYLESS ENTRY)
W/O PASSIVE
KEYLESS ENTRY
W/ PASSIVE
KEYLESS ENTRY
(W/ PASSIVE KEYLESS ENTRY)
(UNDER CENTER
CONSOLE)
(LEFT OF INFOTAINMENT SCREEN/RADIO)
J202
G301
FROM INSTRUMENT
PANEL FUSE BLOCK
(DIAGRAM
3 OF 5)
TO INSTRUMENT
PANEL FUSE BLOCK
(DIAGRAM 5 OF 5)
TO UNDERHOOD
FUSE BLOCK
(DIAGRAM 2 OF 5)
TO INSTRUMENT
PANEL FUSE BLOCK
(DIAGRAM 5 OF 5)
INTERIOR
LIGHTS
SYSTEM
1
2
1
2
1
2
2
1
20A
L
K
H
15A
5A
10A
10A
10A
20A
25A
25A
10A
10A
20A
J
INSTRUMENT PANEL FUSE BLOCK
SUNROOF
SWITCH
SUNROOF
CONTROL
MODULE
TELEMATICS
COMMUNICATION
INTERFACE
CONTROL MODULE
INSTRUMENT
CLUSTER
AUXILIARY
AUDIO
INPUT
RADIO
PARKING ASSIST
CONTROL
MODULE
X1
X1
5
2
1
3
2
5
1
3
2
X1
6
1
55
X202
1
X1
15
7
3
X233
2
X233
4
3
X202
X208
3
1
A
C
VIO/
YEL
YEL
VIO/
YEL
VIO/
(OR VIO/
BRN)
(OR VIO/
BRN)
(OR VIO/
BRN)
BRN)
(OR VIO/
RED/
VIO
VIO
RED/
VIO
RED/
VIO
RED/
BLK
BLK
GRY/
GRN
BLK
GRY/
VIO
RED/
VIO
RED/
VIO
RED/
VIO
RED/
VIO
RED/
VIO
RED/
VIO
BLK
BLU
RED/
BLU
RED/
RED/
BLU
BLU
RED/
BLU
BLU
RED/
RED/
WHT
RED/
WHT
RED/
BRN
RED/
RED/
BRN
BLK
VIO/
YEL
VIO/
YEL
VIO/
BRN
VIO/
BRN
BRN
VIO/
VIO/
BRN
BRN
VIO/
RED/
VIO
RED/VIO
BLK
BLK
RETAINED
ACCESSORY
POWER
RELAY 1
RETAINED
ACCESSORY
POWER
RELAY 2
PWR
WNDW
FRONT
FUSE
PWR
WNDW
REAR
FUSE
S/ROOF
SW
FUSE
CIGAR
APO
FUSE
SPARE
FUSE
SPARE
FUSE
CIGAR
LIGHTER
RECEPTACLE
IPC
FUSE
ONSTAR
FUSE
DIC
FUSE
AUDIO
FUSE
URPA
FUSE
TRAILER
FUSE
W/ PASSIVE KEYLESS ENTRY
W/O PASSIVE KEYLESS ENTRY
(NOT USED)
(NOT USED)
(NOT USED)
(NOT USED)
(IF EQUIPPED)
(IF EQUIPPED)
(NOT USED)
(NOT USED)
(IF EQUIPPED)
(W/ ONSTAR)
(HEADLINER HARNESS, NEAR
BREAKOUT TO 2ND ROW
DOME/READING LAMPS)
(LEFT END OF DASH)
(UNDER CENTER
CONSOLE)
(UNDER CENTER
CONSOLE)
(STEERING WHEEL HARNESS,
INSIDE STEERING WHEEL)
(HEADLINER HARNESS,
NEAR BREAKOUT TO
SUNROOF SWITCH)
(UNDER CENTER
CONSOLE)
(INSTRUMENT PANEL HARNESS,
NEAR BREAKOUT TO ACCELERATOR &
BRAKE PEDAL POSITION SENSORS)
J218
J236
J236
J221
(W/O PASSIVE KEYLESS ENTRY)
J301
J336
J237
G301
G301
G302
FROM INSTRUMENT
PANEL FUSE BLOCK
(DIAGRAM 3 OF 5)
FROM BODY
CONTROL MODULE
(DIAGRAM 4 OF 5)
FROM KEYLESS ENTRY
CONTROL MODULE
(DIAGRAM 4 OF 5)
FROM VLBS
CONTROL MODULE
(DIAGRAM 3 OF 5)