Jonathan Yarden Feb 11, 2021 · 5 min. read
In this article you will find a description of fuses and relays Toyota,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 1983, 1984, 1985, 1986, 1987
Passenger Compartment
LDH
Number | Description |
1 | Fuse box |
2 | Starter realy |
3 | Cruise Control Computer |
4 | Retract Control Relay |
5 | Electrical Idle-up Cut Relay |
6 | Magnet Clutch Relay |
7 | Charge Light Relay |
Hazard Red Indicator Relay | |
8 | Seat Belt Warning Relay |
9 | Circuit Opening Relay (Fuel Pump) |
10 | 4A-C: Emission Control Computer |
EFI ECU | |
11 | Junction Block |
12 | Fuse: A/C – 10A (A/C Switch, A/C Amplifier) |
13 | Heater Circuit Breaker (Heater Relay, Blower Motor) |
14 | Heater Relay |
15 | Junction Block |
16 | O/D Relay (Automatic Transmission) |
17 | Light Retainer Relay |
18 | Turn Signal Flasher |
19 | Rear Fog Light Relay |
20 | Retract Control Relay |
21 | Seat Belt Warning Relay |
22 | Idle-up Computer (EFI) |
23 | Chime |
RDH
Number | Description |
1 | Fuse box |
2 | Turn Signal Flasher |
3 | Junction Block |
4 | Heater Relay |
5 | Fuse: A/C – 10A (A/C Switch, A/C Amplifier) |
6 | Junction Block |
7 | Heater Circuit Breaker (Heater Relay, Blower Motor) |
8 | EFI ECU |
9 | Circuit Opening Relay (Fuel Pump) |
10 | Idle-up Computer (EFI) |
11 | O/D Relay (Automatic Transmission) |
12 | Rear Fog Light Relay |
Passenger Compartment Fuse Box
Fuse | Ampere rating | Description | |
1 | RADIO NO.2 | 7,5 | Radio and Tape Player, Remote Control Mirrors |
2 | RTR | 10 | Retract Control Relay |
3 | IGN | 7,5 | Engine Main Relay, EFI Main Relay, Charge Warning Light |
4 | TURN | 7,5 | Turn Signal Flasher, Turn Signal Light, Turn Signal S/W |
5 | STOP | 15 | Stop Light S/W, Stop Light, Cruise Control Computer, ECU |
6 | — | — | — |
7 | CIG | 15 | Cigarette Lighter, Digital Clock |
8 | GAUGE | 7,5 | Combination Meter, Back-up Light S/W, Back-up Light, O/D Relay, O/D Off Indicator, Defogger S/W, Defogger Relay, Light Retainer Relay, Heater Relay, Cruise Control S/W, Seat Belt Warning Relay, Seat Belt Warning Light |
9 | TAIL RH | 10 | Clearance Light RH, Taillight RH, Licence Plate Light, Radio Light, Cigarette Lighter Light, Heater Control Light, Combination Meter Light, A/T Indicator Light, O/D Main S/W Light, Headlight Cleaner Relay |
10 | DOME | 7,5 | Interior Light, Map Light, Door Warning Light, Luggage Room Light, Digital Clock, Light Retainer Relay, Unlock Warning S/W, Seat Belt Relay, Rear Fog Light |
11 | ECU-IG | 30 | Sun Roof Motor |
12 | PWR | 30 | Power Window Relay |
SEAT HEATER | 20 | Seat Heater | |
13 | TAIL | 15 | Clearance Light, Taillight, Licence Plate Light, Radio Light, Cigarette Lighter Light, Heater Control Light, Combination Meter Light, A/T Indicator Light, Side Marker Light, O/D Main S/W Light, Wiper S/W Light, Defogger S/W Light, Digital Clock, Headlight Cleaner Relay |
TAIL LH | 10 | Clearance Light LH, Taillight LH | |
14 | WIPER | 20 | Washer Motor, Wiper Motor, Rear Wiper Motor, Rear Washer Motor, Headlight Cleaner Relay |
R1 | Rear Window Defogger Relay | ||
R2 | Taillights Relay | ||
R3 | Circuit Breaker: Rear Window Defogger (LHD: 30A, RHD: 20A) |
Number | Description |
1 | Power Window Relay |
Engine Compartment
Number | Description |
1 | CMH Relay / Regulator |
2 | Fuse box |
3 | Retractor Relay |
4 | Headlight Cleaner Relay |
Engine Compartment Fuse Box
Fuse | Ampere rating [A] | Description | |
1 | CHARGE | 7,5 | Charge Warning Light, Charge Light Relay, Choke Heater |
2 | HEAD LH | 10 | Left−hand Headlight |
HEAD LH HI | 10 | Left−hand Headlight (high beam), High Beam Indicator Lamp | |
3 | HEAD RH | 10 | Right−hand Headlight |
HEAD RH HI | 10 | Right−hand Headlight (high beam) | |
4 | HEAD LH LO | 10 | Left−hand Headlight (low beam) |
5 | HEAD RH LO | 10 | Right−hand Headlight (low beam) |
6 | HAZ-HORN | 10 | Horn, Hazard S/W, Turn Signal Flasher |
7 | ENGINE | 10 | Alternator, Charge Light Relay (4A-C), Fuel Cut Solenoid, Emission Control Computer, OVCV, EBCV, CMH Relay, Secondary Slow Cut |
8 | EFI | 15 | EFI Main Relay, ECU, Circuit Opening Relay |
9 | RADIO NO.1 | 10 | Radio and Tape Player |
10 | RTR | 30 | Retract Relay |
Relay | |||
R1 | Engine Control Unit (EFI MAIN) | ||
R2 | Engine Main | ||
R3 | Short Pin | ||
Dimmer | |||
R4 | Headlight | ||
R5 | Short Pin |
Fusible Link Box (Battery + Terminal)
Number | Ampere raing [A] | Description | |
1 | AMI | 60 | Engine Main Relay, Ignition S/W (AM1), Alternator, Defogger Relay, Taillight Relay, Headlight Cleaner Relay |
80 | 4A-GEC: Engine Main Relay, Ignition S/W (AM1), Alternator, Defogger Relay, Taillight Relay, Headlight Cleaner Relay | ||
2 | AM2 | 30 | Ignition S/W (AM2) |
3 | CMH | 40 | CMH, CMH Relay |
Fusible Link Box (Near the Battery)
Number | Description | |
1 | FL 0.5G | Headlight Relay, Dimmer Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.77
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