Page 1 of 9 Caddy Current Flow Diagram No. 86 / 1 Edition 09.2003 1.9 l/47 kw Naturally aspirated diesel engine with direct injection, engine code AYQ From May 2000 Relay locations 3 - Terminal 30 voltage supply relay Note! For alternatives to relay locations and fuse assignment as well as multi-pin connector wiring see "Fitting locations" section. Fuse colours 30 A - green 25 A - white 20 A - yellow 15 A - blue 10 A - red 7.5 A - brown 5 A - beige
Page 2 of 9 Caddy Current Flow Diagram No. 86 / 2 Battery, starter, alternator, voltage regulator, battery fuse box A - Battery B - Starter C - Alternator C1 - Voltage regulator D - Ignition/starter switch SA1 - Fuse -1- on battery fuse holder SA2 - Fuse -2- on battery fuse holder SA3 - Fuse -3- on battery fuse holder SA4 - Fuse -4- on battery fuse holder SA5 - Fuse -5- on battery fuse holder SA6 - Fuse -6- on battery fuse holder SA7 - Fuse -7- on battery fuse holder SA8 - Fuse -8- on battery fuse holder T3a - 3-pin connector, in protective sleeve on battery box T5d - 5-pin connector, black, in engine compartment, near gearbox - Earth strap, battery - body 1 2 - Earth strap, gearbox - body 30 - Earth point -1-, next to relay plate - Positive connection (30), in engine compartment D50 wiring * - Only vehicles fitted with coolant heater elements
Page 3 of 9 Caddy Current Flow Diagram No. 86 / 3 Diesel direct injection system control unit, immobilizer control unit, intake manifold flap motor, heater element for intake manifold preheating, diagnostic socket J248 - Diesel direct injection system control unit, near battery J362 - Immobilizer control unit N51 - Heater element for intake manifold preheating S15 - Fuse in relay plate fuse box T2c - 2-pin connector, K-wire coupling T10-10-pin connector T16-16-pin connector, diagnostic socket V157 - Intake manifold flap motor 12 - Earth point, on left in engine compartment 30 - Earth point -1-, next to relay plate 85 - Earth connection -1-, in engine compartment wiring D51 - Positive connection -1- (15), in engine compartment wiring D103 - Connection -3-, in engine compartment wiring * - Only vehicles fitted with coolant heater elements ** - Only vehicles not fitted with coolant heater elements *** - Only vehicles fitted with heater element for intake manifold preheating
Page 4 of 9 Caddy Current Flow Diagram No. 86 / 4 Diesel direct injection system control unit, metering adjuster, fuel temperature sender, modulating piston movement sender, commencement of injection valve, exhaust gas recirculation valve G81 - Fuel temperature sender G149 - Modulating piston movement sender J248 - Diesel direct injection system control unit N18 - Exhaust gas recirculation valve N108 - Commencement of injection valve N146 - Metering adjuster T10c - 10-pin connector, near injection pump D102 - Connection -2-, in engine compartment wiring D103 - Connection -3-, in engine compartment wiring F25 - Connection -1-, in diesel direct injection system wiring * - Only vehicles fitted with coolant heater elements ** - Only vehicles fitted with heater element for intake manifold preheating
Page 5 of 9 Caddy Current Flow Diagram No. 86 / 5 Diesel direct injection system control unit, terminal 30 voltage supply relay, clutch pedal switch, brake light switch, needle lift sender F - Brake light switch F36 - Clutch pedal switch F47 - Brake pedal switch for cruise control system/diesel direct injection system G80 - Needle lift sender J248 - Diesel direct injection system control unit J317 - Terminal 30 voltage supply relay S20 - Fuse in relay plate fuse box T2d - 2-pin connector, on left of cylinder head, near injection pump 200 - Earth connection (screening), in engine compartment wiring D73 - Positive connection (54), in engine compartment wiring D101 - Connection -1-, in engine compartment wiring D102 - Connection -2-, in engine compartment wiring F26 - Connection -2-, in diesel direct injection system wiring * - From January 2002 ** - up to December 2001
Page 6 of 9 Caddy Current Flow Diagram No. 86 / 6 Diesel direct injection system control unit, intake manifold temperature sender, accelerator pedal position sender, idling switch, kick down switch, engine speed sender F8 - Kick-down switch F60 - Idling switch F129 - Air conditioner pressure switch G28 - Engine speed sender G72 - Intake manifold temperature sender G79 - Accelerator pedal position sender J248 - Diesel direct injection system control unit J293 - Radiator fan control unit T3m - 3-pin connector, on left of cylinder head T6d - 6-pin connector, behind relay plate T10b - 10-pin connector, on radiator fan control unit 200 - Earth connection (screening), in engine compartment wiring 220 - Earth connection (sender earth), in engine wiring L7 - Connection -3-, in air conditioner wiring * - Only vehicles fitted with air conditioner
Page 7 of 9 Caddy Current Flow Diagram No. 86 / 7 Diesel direct injection system control unit, glow plug relay, engine glow plugs, fuel shut off valve, coolant heater element relay, coolant heater elements J52 - Glow plug relay J248 - Diesel direct injection system control unit J325 - Coolant heater element relay, on bulkhead on left in engine compartment J359 - Low heat output relay J360 - High heat output relay N109 - Fuel shut-off valve Q6 - Engine glow plugs Q7 - Coolant heater elements T2i - 2-pin connector, black, in engine compartment T10c - 10-pin connector, near injection pump F31 - Connection (engine glow plugs), in diesel direct injection system wiring * - From January 2002 ** - Only vehicles fitted with coolant heater elements
Page 8 of 9 Caddy Current Flow Diagram No. 86 / 8 Fuel gauge sender, coolant temperature gauge sender, speedometer sender, radiator fan thermo switch, radiator fan F1 - Oil pressure switch F18 - Radiator fan thermal switch G - Fuel gauge sender G2 - Coolant temperature sender G22 - Speedometer sender (Hall sender on gearbox) G62 - Coolant temperature sender T1m - Single connector, brown, on terminal 31 wiring junction TV7 - Terminal 31 wiring junction V7 - Radiator fan 30 - Earth point 1, next to relay plate - Earth connection (sender earth 2), in engine wiring 316 * - Only models not fitted with air conditioner
Page 9 of 9 Caddy Current Flow Diagram No. 86 / 9 Control unit with display in dash panel insert, fuel gauge, coolant temperature gauge, speedometer, oil pressure warning lamp, alternator warning lamp G1 - Fuel gauge G3 - Coolant temperature gauge G21 - Speedometer H11 - Oil pressure warning buzzer J285 - Control unit with display in dash panel insert K2 - Alternator warning lamp K3 - Oil pressure warning lamp K28 - Coolant temperature/coolant shortage warning lamp K29 - Glow period warning lamp T4-4-pin connector, on left behind dash panel T28-28-pin connector T28a - 28-pin connector Y4 - Odometer A135 - Connection (oil pressure switch), in dash panel wiring * - Up to April 2001 ** - From May 2001