Electrical equipment of GAZ-3302 and GAZ-2705 cars with ZMZ-405 engine

Symbols for electrical circuit elements:

Electrical equipment of GAZ-3302 and GAZ-2705 vehicles with a ZMZ-405 engine: A9 - fuel module; B1 - oil pressure indicator sensor; B2 - warning lamp sensor for emergency oil pressure drop; B5 - warning lamp sensor for emergency drop in brake fluid level; B7 - coolant temperature indicator sensor; B8 - coolant overheat warning lamp sensor; B12 - fuel level indicator sensor; B13 - fuel level indicator sensor in the right tank (GAZ-33027); B17 - accelerator pedal position sensor; B46 - speed sensor; B57 - sensor for turning on the electromagnetic fan clutch; B64, B70 - temperature sensors; B72 - oxygen concentration sensor (for cars with an exhaust gas converter); B74 - synchronization and crankshaft speed sensor; B75 - mass air flow sensor; B76 - throttle position sensor (electronic throttle unit of the ZMZ-40524 engine); B91 - phase sensor; B92 - knock sensor; B97 - rough road sensor; D7 - anti-lock brake system control unit (installed on some cars); D21 - heating and ventilation unit control panel; D23 - engine control unit; D27 - instrument dimmer; E1 - left headlight; E2 - right headlight; E9 - left side turn signal; E10 - right side turn signal; E 1 6 - courtesy light for the front seats of the cab; E17 - cargo platform lighting lamp (GAZ-3302, -33021, -33027); E18, E19 - lampshades for lighting the cargo compartment of vans; E20 - lampshades for lighting the passenger compartment (right e); E27 - rear left lamp; E28 - rear right lamp; E30, E64 - license plate lights; E35 - engine compartment light; E59 - cigarette lighter; E60, E61 - passenger compartment lighting lamps (left); Eb3 - lamp for running board lighting; E65 - courtesy light for the second row of seats (for vans with two rows of seats); E71 - glove compartment lighting lamp; F1-F4 - spark plugs; F41 - additional fuse block; F42 - upper fuse box; F43 - lower fuse box; G1 - generator; G2 - battery; H1, H2 - sound signals; H6 - signal buzzer for driver '28GAZ-3302, -33021, -33027); H62 - left side light lamp; H63 - right side lamp; H70 - rear left fog lamp; H71 - rear right fog lamp; H72 - left reversing lamp; H73 - right reversing lamp; H74 - left brake light lamp; H75 - right brake light lamp; H76 - left tail light lamp; H77 - right tail light lamp; H78 - left rear turn signal lamp; H79 - right rear turn signal lamp; H98 - left low beam lamp; H99 - right low beam lamp; H100 - left high beam lamp; H101 - right high beam lamp; H102 - left front turn signal lamp; H103 - right front turn signal lamp; K1 - starter relay; K3 - windshield wiper control relay; K7 - signal relay; K9, K46 - relay; K12 - turn signal switch; K13 - breaker for the parking brake warning light; K16 - remote battery switch (for buses); K36 - relay for turning on the electromagnetic clutch; K40 - headlight switch relay; M1 - starter; M2 - heater fan electric motor; M4 - windshield wiper motor; M5 - electric motor of the windshield washer pump; M8 - electric pump for additional heater (for buses and vans with two rows of seats); M10 - electric fuel pump; M20 - electric motor of an additional heater (for buses and vans with two rows of seats); M38 - electric drive for headlight range control (right); M39 - electric drive for headlight range control (left); M43 - heater valve gearmotor; P2 - instrument cluster; R12 - heater motor resistor; R13 - resistor of the auxiliary heater electric motor (for buses and vans with two rows of seats); S1 - switch for the starting system and instruments; S3 - lamp switch for the second row of seats (for vans with two rows of seats); S5 - alarm switch; S6 - switch for electric motor and electric heater pump; S9 - switch for direction indicators and headlights; S12 - wiper switch; S13 - push-button switch for remote battery switch (for buses); S14 - fuel level sensor switch (GAZ-33027); S29 - reverse light switch; S30 - brake light switch; S31 - switch for the center differential lock warning light (for vehicles with a 4x4 wheel arrangement); S36 - driver signal switch (GAZ-3302, -33021, -33027); S39 - light switch; S52 - parking brake warning lamp switch; S54 - switch for checking the serviceability of signal lamps; S60 - glove compartment lamp switch; S62 - switch for the right lamps for lighting the passenger compartment of buses; S63 - switch for the left lamps for lighting the passenger compartment of buses; S73 - switch for the electric motor of the additional heater (for buses and vans with two rows of seats); S116 - headlight range control switch; T1-T4 - ignition coils; U1 - radio receiver; X38, X51 - socket blocks; X53 - pin block; Y19-Y22 - electromagnetic injectors; Y23 - idle speed regulator; Y46 - canister purge valve (for vehicles with a fuel vapor recovery system); Y48 - electromagnetic clutch for shutting off the engine cooling system fan; (I) - turning on the rear lights of vans and buses; (II) - chassis option; (III) - option with two fuel tanks; I - pin numbers

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During operation, it may be necessary to adjust the full opening of the carburetor throttle valve and the position of the pedal

- Cause of malfunction Elimination method The clutch does not disengage completely (the clutch “drives”):