2012 Impala Fuse Diagram

2012 Impala Fuse Diagram

The 2012 Impala has two fuse boxes; an underhood fuse box and an instrument panel fuse box. This post shows the 2012 Impala fuse diagram for both boxes and the circuits covered for each fuse

2012 Impala Fuse Diagram for Underhood fuse box

2012 impala underhood fuse box

A/C CMPRSR Fuse 10A A/C Compressor Clutch
ABS MTR Fuse 60A Electronic Brake Control Module (EBCM)
ABS MTR2 Fuse 60A Electronic Brake Control Module (EBCM)
AIRBAG/DISPLAY Fuse 10A Instrument Panel Cluster (IPC), HVAC Control Module, Inflatable Restraint Passenger Air Bag On/Off Indicator, and Inflatable Restraint Sensing and Diagnostic Module (SDM)
AUX PWR Fuse 25A Accessory Power Outlet — I/P 1 and Accessory Power Outlet — I/P 2
BATT 1 Fuse 60A CNSTR, XM, AMP AUX Fuses, and Trunk Relay
HTD/SEAT, AIRBAG, PWR/MIR, S/ROOF, DR/LCK Fuses, PWR/SEAT Circuit Breaker, and RAP
BATT 2 Fuse 60A Relay
BATT 3 Fuse 40A Rear Window Defogger Grid
BATT 4 Fuse 30A Blower Motor Control Module
BCM Fuse 10A Body Control Module (BCM), Ignition Switch, and Theft Deterrent Module (TDM)
CHMSL/BCK-UP Fuse 10A Body Control Module (BCM)
Data Link Connector (DLC), Remote Control Door Lock Receiver (RCDLR), Instrument Panel DISPLAY Fuse 10A Cluster (IPC), and HVAC Control Module
DRL 1 Fuse 15A DRL 2 Fuse
DRL 2 Fuse 15A LT LO BEAM Fuse, RT LO BEAM Fuse ECM IGN Fuse 10A Engine Control Module (ECM) ECM/TCM Fuse 15A Engine Control Module (ECM) and Transmission Control Module (TCM)
EMISSIONS 1 Fuse 15A Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, and Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) EMISSIONS 2 Fuse 15 Assembly, Secondary Air Injection (AIR) Pump Relay, Secondary Air Injection (AIR) Solenoid Relay, A/C CMPRSR Relay, FAN 1 Relay, FAN 2 Relay, and FAN 3 Relay
ETC/ECM Fuse 15A Engine Control Module (ECM)
FAN1 Fuse 30A FAN 1 Relay
FAN2 Fuse 30A FAN 3 Relay
FOG LAMPS Fuse 15A Fog Lamp — Left Front and Fog Lamp — Right Front
FSCM Fuse 15A Fuel Pump Flow Control Module
HDLP MDL Fuse 15A C122 or Emergency Vehicle Headlamp Flasher
HORN Fuse 15A Horn Assembly
HTD MIR Fuse 10A Outside Rearview Mirror — Driver and Outside Rearview Mirror — Passenger
INJ 1 Fuse 20A Fuel Injectors 1-6
INJ 2 Fuse 20A Ignition Control Module
HTD MIR Fuse
10A Outside Rearview Mirror — Driver and Outside Rearview Mirror — Passenger
INJ 1 Fuse 20A Fuel Injectors 1-6
INJ 2 Fuse 20A Ignition Control Module
INT LIGHTS Fuse 10A Body Control Module (BCM)
INT LTS/PNL DIM Fuse 15A Body Control Module (BCM)
LT HI BEAM FUSE
10A Headlamp — High Beam — Left or Emergency Vehicle Headlamp Flasher
LT LO BEAM Fuse 10A Headlamp — Low Beam — Left
LT PARK Fuse 10A Marker lamp — LF, Park/Turn Signal Lamp — Left Front, Tail Lamp — Left, and Tail/Stop and Turn Signal — Left
LT SPOT Fuse 15A spot Lamp — Left
LT T/SIG Fuse 15A Body Control Module (BCM)
PWR DROP/CRNK Fuse 10A Blunt Cut Wire
RADIO Fuse 20A Radio
RT HI BEAM Fuse 10A Headlamp — High Beam — Right or Emergency Vehicle Headlamp Flasher
RT LO BEAM Fuse 10A Headlamp — Low Beam — Right
RT PARK Fuse 10A Marker Lamp — RF, Park/Turn Signal Lamp — RF, Tail Lamp — Right, and Tail/Stop and Turn Signal — Right
RT SPOT Fuse) 15A Spot Lamp — Right
RT T/SIG Fuse 15A Body Control Module (BCM)
RVC SEN Fuse 10A Body Control Module (BCM)
Spare Fuse 2A Not Used
Spare Fuse 10A Not Used
Spare Fuse 15A Not Used
Spare Fuse 20A Not Used
Spare Fuse 20A Not Used
Spare Fuse 25A Not Used STRG WHL Fuse 2A Steering Wheel Controls — Left and Steering Wheel Controls — Right STRTR Fuse 40A Starter
TRANS Fuse 10A Transmission Control Module (TCM) 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, Torque Converter Clutch (TCC) Solenoid Valve, and
VAC PUMP Fuse 20A Brake Booster Pump – Auxiliary
WPR Fuse 25A WIPER PCB Relay
WSW Fuse 15A Windshield Washer Fluid Pump
A/C CMPRSR Relay A/C CMPRSR Fuse
FAN 1 Relay — Engine Cooling Fan — Left
FAN 2 Relay — Engine Cooling Fan — Right
FAN 3 Relay — Engine Cooling Fan — Right
PWR/TRN Relay — ETC/ECM, !NJ 1, INJ 2, EMISSIONS 1, and EMISSIONS 2 Fuses
REAR DEFOG Relay — BATT 3 and HTD MIR Fuses
STRTR Relay STRTR Fuse
Vacuum Pump Relay — VAC Pump Fuse

The Relays shown below are integral to the circuit board and are NOT serviceable

DRL PCB Relay DRL 1 Fuse
FOG LP PCB Relay
FOG LAMPS Fuse
HIGH BEAM PCB Relay
LT HI BEAM and RT HI BEAM Fuses
HORN PCB Relay
HORN Fuse
HORN PCB Relay — HORN Fuse
IGN MAIN PCB Relay — AIRBAG/DISPLAY, ECM IGN, PWR DROP/CRNK, and TRANS Fuses
LOW BEAM PCB Relay — DRL 1 LT LO BEAM, and RT LO BEAM Fuses
PARK LP PCB Relay — LT PARK and RT PARK Fuses WIPER PCB Relay — WIPER HIGH PCB Relay WIPER HIGH PCB Relay — Windshield Wiper Motor
WS WASH PCB Relay — WSW Fuse

2012 Impala Fuse Diagram for Instrument Panel Fuse Box

2012 impala instrument panel fuse box

AIRBAG Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Front Passenger Presence System (PPS) Module
AMP Fuse 25A Audio Amplifier
AUX Fuse 20A Accessory Power Outlet – Center Seat, Accessory Power Outlet – Center Console 1, Accessory Power Outlet – Center Console 2, Accessory Power Outlet – Center Console Compartment
CNSTR Fuse 10A Evaporative Emission (EVAP) Canister Vent Solenoid
DR/LCK Fuse 25A DOOR UNLOCK PCB Relay – Driver, DOOR UNLOCK PCB Relay, and DOOR LOCK PCB Relay
HTD/SEAT Fuse 20A Heated Seat Control Module, Emergency Vehicle Rear Compartment Lid Lamps Relay
PWR/MIR Fuse 2A Outside Rearview Mirror Switch
RAP Fuse 10A Automatic Transmission Shift Lock Control Solenoid (with Floor Shifter), Inside Rearview Mirror, Sunroof Motor
S/ROOF Fuse 20A Sunroof Motor
TRUNK Fuse 10A Rear Compartment Lid Release Actuator
PWR/SEAT Circuit Breaker 25A Seat Adjuster Switch – Driver, Seat Adjuster Switch – Passenger
PWR/WNDW Circuit Breaker 25A Window Switch – Driver, and Window Switch – Passenger
Trunk Relay — Trunk Fuse
XM Fuse 10A Digital Radio Receiver
Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
DOOR LOCK PCB Relay — Door Locks
DOOR UNLOCK PCB Relay — Door Lock – Passenger, Door Lock – Left Rear, Door Lock – Right Rear
DOOR UNLOCK PCB Relay – Driver — Door Lock – Driver
RAP Relay — RAP Fuse

©, 2024 Rick Muscoplat