| A | Battery |
| B | Starter |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| S176 | Fuse -4- (30), in fuse box/battery |
| T6l | 6-pin connector, brown, in protective housing for connectors, on left in plenum chamber |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| 503 | Screw connection -2- (75x), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A49 | Connection -1-, in dash panel wiring harness |
| A80 | Connection -1- (X), in dash panel wiring harness |
| C | Alternator |
| D2 | Immobilizer reading coil |
| E24 | Belt switch, driver's side |
| H16 | Lights switched on warning buzzer |
| J... | Engine control units |
| J285 | Control unit with display in dash panel insert |
| J362 | Immobilizer control unit |
| K2 | Alternator warning lamp |
| K19 | Seat belt warning system warning lamp |
| K63 | Warning lamp for symbol 'Yellow triangle' (Auto-check system with voice) |
| K117 | Immobilizer warning lamp |
| T10 | 10-pin connector, orange, in protective housing for connectors, on left in plenum chamber |
| T10d | 10-pin connector, green, in protective housing for connectors, on left in plenum chamber |
| 32 | Earth point, on left behind dash panel |
| 33 | Earth point, on right behind dash panel |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| B163 | Positive (+) connection -1- (15), in interior wiring harness |
| G5 | Rev. counter |
| G22 | Speedometer sender |
| J... | Engine control units |
| J255 | Climatronic control unit |
| J285 | Control unit with display in dash panel insert |
| K18 | Trailer operation warning lamp |
| K105 | Reserve fuel warning lamp |
| L75 | Digital display illumination |
| Y4 | Odometer display |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T12d | 12-pin connector, on Climatronic |
| T14a | 14-pin connector, in cable channel left |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A43 | Connection (57L), in dash panel wiring harness |
| A44 | Connection (57R), in dash panel wiring harness |
| A84 | Connection (58L), in dash panel wiring harness |
| A85 | Connection (58R), in dash panel wiring harness |
| * | Only Toledo |
| --- | Only León |
| G21 | Speedometer |
| H10 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert |
| J393 | Convenience system central control unit |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| Y2 | Digital clock |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A51 | Connection (56), in dash panel wiring harness |
| * | Only models with excessive road speed warning buzzer |
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| F9 | Handbrake warning switch |
| F34 | Brake fluid level switch |
| G33 | Windscreen washer fluid level sender |
| J285 | Control unit with display in dash panel insert |
| K4 | Side light warning lamp |
| K14 | Handbrake warning lamp |
| K37 | Windscreen washer fluid level warning lamp |
| K102 | Tailgate/boot lid closed warning lamp |
| K118 | Brake system warning lamp |
| 179 | Earth connection, in left headlight wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A115 | Connection (handbrake warning), in dash panel wiring harness |
| E2 | Turn signal switch |
| E4 | Headlight dipper/flasher switch |
| E19 | Parking light switch |
| L1 | Twin filament bulb/sealed beam insert, left |
| M1 | Side light bulb, left |
| M5 | Turn signal bulb, front left |
| M18 | Side turn signal bulb, left |
| S18 | Fuse in fuse box/relay plate |
| S19 | Fuse in fuse box/relay plate |
| S21 | Fuse in fuse box/relay plate |
| T8 | 8-pin connector, headlight, left |
| 179 | Earth connection, in left headlight wiring harness |
| B166 | Connection (56a), in interior wiring harness |
| E3 | Hazard warning light switch |
| J1 | Turn signal relay |
| K6 | Hazard warning light system warning lamp |
| L2 | Twin filament bulb/sealed beam insert, right |
| M3 | Side light bulb, right |
| M7 | Turn signal bulb, front right |
| M19 | Side turn signal bulb, right |
| S20 | Fuse in fuse box/relay plate |
| T8a | 8-pin connector, headlight, right |
| 179 | Earth connection, in left headlight wiring harness |
| B167 | Connection (56b), in interior wiring harness |
| * | Only models with range control adjuster |
| ** | Only models without range control adjuster |
| F | Brake light switch |
| F63 | Brake pedal switch |
| J... | Engine control units |
| M6 | Turn signal bulb, rear left |
| M21 | Brake and tail light bulb, left |
| T6h | 6-pin connector, in left luggage compartment |
| 50 | Earth point, on left luggage compartment |
| 57 | Earth point, left rear pillar |
| 86 | Earth connection -1-, in rear wiring harness |
| 219 | Earth connection -2-, in tailgate/boot lid wiring harness |
| A6 | Positive (+) connection (left turn signal), in dash panel wiring harness |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| W1 | Positive (+) connection -1- (54), in rear wiring harness |
| * | Only models with diesel engine |
| ** | Only Toledo |
| --- | Only León |
| F4 | Reversing light switch |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| M25 | High level brake light bulb |
| T5j | 5-pin connector, brown, in bootlid |
| T5k | 5-pin connector, in flap right |
| T5l | 5-pin connector, in flap left |
| T5m | 5-pin connector, in bootlid |
| T5n | 5-pin connector, in left luggage compartment |
| T5s | 5-pin connector |
| T10 | 10-pin connector, orange, in protective housing for connectors, on left in plenum chamber |
| 50 | Earth point, on left luggage compartment |
| 57 | Earth point, left rear pillar |
| 98 | Earth connection, in tailgate/boot lid wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| B131 | Connection (54), in interior wiring harness |
| W33 | Connection (reversing light), in tailgate/boot lid wiring harness |
| * | Only Toledo |
| --- | Only León |
| M8 | Turn signal bulb, rear right |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| M22 | Brake and tail light bulb, right |
| T3j | 3-pin connector, in tailgate/boot lid, left |
| T3k | 3-pin connector, in tailgate/boot lid, right |
| T5a | 5-pin connector |
| T6i | 6-pin connector, in right luggage compartment |
| 98 | Earth connection, in tailgate/boot lid wiring harness |
| A5 | Positive (+) connection (right turn signal), in dash panel wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| W33 | Connection (reversing light), in tailgate/boot lid wiring harness |
| * | Only Toledo |
| --- | Only León |
| L46 | Rear fog light bulb, left |
| L47 | Rear fog light bulb, right |
| T3j | 3-pin connector, in tailgate/boot lid, left |
| T3k | 3-pin connector, in tailgate/boot lid, right |
| T5a | 5-pin connector |
| T5k | 5-pin connector, in flap right |
| T5l | 5-pin connector, in flap left |
| T5m | 5-pin connector, in bootlid |
| T5n | 5-pin connector, in left luggage compartment |
| 98 | Earth connection, in tailgate/boot lid wiring harness |
| A88 | Connection (rear fog light), in dash panel wiring harness |
| W4 | Connection -1- (rear fog light), in rear wiring harness |
| * | Only Toledo |
| --- | Only León |
| E165 | Tailgate/boot lid release switch |
| E204 | Tank filler flap remote release switch |
| F5 | Luggage compartment light switch |
| G266 | Oil level/oil temperature sender |
| J393 | Convenience system central control unit |
| L76 | Button illumination |
| S323 | Fuel tank lock release fuse |
| V155 | Tank filler flap release motor |
| W3 | Luggage compartment light |
| T5m | 5-pin connector, in bootlid |
| T5n | 5-pin connector, in left luggage compartment |
| T14a | 14-pin connector, in cable channel left |
| 10 | Earth point, in plenum chamber |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A29 | Connection (interior light), in dash panel wiring harness |
| B114 | Connection (inhibitor switch), in interior wiring harness |
| Y1 | Positive (+) connection (30), in interior light wiring harness |
| W15 | Connection -1- (luggage compartment light), in rear wiring harness |
| * | Only Toledo |
| ** | Only models with maintenance intermittent extension |
| --- | Only León |
| L28 | Cigarette lighter light bulb |
| R | Radio |
| S10 | Fuse in fuse box/relay plate |
| S12 | Fuse in fuse box/relay plate |
| S13 | Fuse in fuse box/relay plate |
| S15 | Fuse in fuse box/relay plate |
| S239 | Fuse in fuse box |
| S240 | Fuse in fuse box |
| S241 | Fuse in fuse box |
| S242 | Fuse in fuse box |
| U1 | Cigarette lighter |
| T10d | 10-pin connector, green, in protective housing for connectors, on left in plenum chamber |
| T16 | 16-pin connector, self-diagnosis |
| 45 | Earth point, behind dash panel |
| 255 | Earth connection -1-, in radio wiring harness |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| A11 | Positive (+) connection (58b), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| V22 | Positive (+) connection (30a), in navigation wiring harness |
| H | Horn plate |
| H1 | Horn/dual tone horn |
| J4 | Dual tone horn relay |
| S1 | Fuse in fuse box/relay plate |
| S3 | Fuse in fuse box/relay plate |
| S4 | Fuse in fuse box/relay plate |
| W6 | Glove box light |
| X | Number plate light |
| T5a | 5-pin connector |
| T5b | 5-pin connector, next to steering column |
| T5k | 5-pin connector, in flap right |
| T5m | 5-pin connector, in bootlid |
| T5n | 5-pin connector, in left luggage compartment |
| 176 | Earth connection, in right headlight wiring harness |
| A37 | Connection (58a), in dash panel wiring harness |
| A61 | Positive (+) connection (X), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| W41 | Positive (+) connection (58), in licence plate light wiring harness |
| * | Only models with dual tone horn |
| ** | Only Toledo |
| --- | Only León |
| E20 | Lighting regulator - switches and instruments |
| E102 | Headlight range control adjuster |
| V48 | Headlight range control motor, left |
| V49 | Headlight range control motor, right |
| T8 | 8-pin connector, headlight, left |
| T8a | 8-pin connector, headlight, right |
| 12 | Earth point, left in engine compartment |
| 42 | Earth point, next to steering column |
| 101 | Earth connection, in headlight range adjustment wiring harness |
| 176 | Earth connection, in right headlight wiring harness |
| A103 | Connection -2- (56), in dash panel wiring harness |
| A114 | Connection (headlight range control), in dash panel wiring harness |
| * | Only models with range control adjuster |
| E9 | Fresh air blower switch |
| E159 | Fresh air/air recirculating flap switch |
| K114 | Fresh air/air recirculation warning lamp |
| L16 | Fresh air control light bulb |
| N24 | Fresh air blower with overheating fuse series resistor |
| S2 | Fuse in fuse box/relay plate |
| S225 | Fuse in fuse box |
| V2 | Fresh air blower |
| V154 | Fresh air/recirculating air flap control motor |
| T4c | 4-pin connector, under front passenger's seat |
| 45 | Earth point, behind dash panel |
| 162 | Earth connection, in blower motor wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| L66 | Connection, in heater blower wiring harness |
| E15 | Heated rear window switch |
| K10 | Heated rear window warning lamp |
| L39 | Heated rear window switch bulb |
| S224 | Fuse in fuse box |
| S226 | Fuse in fuse box |
| S227 | Fuse in fuse box |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| Z1 | Heated rear window |
| T5s | 5-pin connector |
| T7a | 7-pin connector, in centre console |
| 57 | Earth point, left rear pillar |
| A97 | Connection (53), in dash panel wiring harness |
| A102 | Connection (windscreen wiper), in dash panel wiring harness |
| W8 | Connection(15a), in rear wiring harness |
| * | Only Toledo |
| --- | Only León |