Renault Clio: M4R

Renault Clio III (2005-2013) Service Manual / Electrical Equipment / Wiring Harness / Engine wiring: Removal - Refitting / M4R

IMPORTANT

Consult the safety and cleanliness advice and operation recommendations before carrying out any repair (see 88A, Wiring harness, Wiring: Precautions for the repair, 88A-5).

WARNING

To prevent damage to the wiring harness when refitting, observe the original routing.

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (MR 392, 02A, Lifting equipment).
• Switch off the ignition.
• Remove:
  • the engine cover,
  • the battery (see 80A, Battery, Battery: Removal - Refitting, 80A-1),
  • the air filter box (see Air filter unit: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the battery tray (see 80A, Battery, Battery tray: Removal - Refitting, 80A-5),
  • the front section of the front wheel arch liners (see Front wheel arch liner: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the front bumper (see Front bumper: Removal - Refitting) (MR 393, 55A, Exterior protection).

• Remove:
  • the bolts (1) from the Protection and Switching Unit cover,
  • the Protection and Switching Unit cover.

II - OPERATION FOR REMOVAL OF PART CONCERNED

WARNING

To prevent any risk of noise, premature wear, short circuits, etc. after the refitting operation, mark the wiring routing and how to connect the connectors.

• Disconnect:
  • the air conditioning compressor connector (2),
  • The alternator exciter connector (3).
• Remove the nut (4) from the alternator positive terminal.
• Disconnect:
  • the connector (5) from the oil pressure sensor,
  • the oil level sensor connector (6),
  • the pinking sensor connector (7),
  • the engine wiring/ignition wiring connection (9),
  • the engine wiring/injection wiring connection (8),
  • the connector (10) from the camshaft position sensor,
  • the coolant temperature sensor connector (11),
  • the fuel vapour absorber solenoid valve connector (12),
  • the throttle valve connector (13),
  • the crankshaft position sensor connector (14),
  • the upstream oxygen sensor connector (15),
  • the downstream oxygen sensor connector (29).

• Disconnect:
  • the air flowmeter connector (16),
  • the fuel injection computer connector (17),
  • the engine cooling fan assembly connector (18),
  • the engine cooling fan assembly resistor connector (19),
  • the front left-hand wiring connector (28),
  • the refrigerant pressure sensor connector (20),
  • the Protection and Switching Unit connectors (21),
• Remove:
  • the nut on the excitation terminal of the starter,
  • the nut on the positive terminal of the starter,
  • all earth cable nuts (22) on the front left-hand side member,
  • the gearbox earth wiring bolt (23),
  • the 30 A fuse from the power feed fuse board,
  • the fuse holder (24),
  • the nut (25) from the power feed fuse board cable,
  • the fuel injection computer earth cable nut (26).

TL4

• Disconnect the reverse gear switch connector (27).

DP0

• Remove:
  • the automatic transmission computer (see Automatic gearbox converter: Removal - Refitting) (MR 392, 23A, Automatic transmission),
  • the gearbox suspended engine mounting (see Left-hand suspended engine mounting: Removal - Refitting).
• Disconnect:
  • the automatic transmission module connector (23),
  • the flow control solenoid valve connector (24).

WARNING

Protect the connector by sliding it into a waterproof plastic bag.

WARNING

To prevent any damage during the removal operation, check that the wiring is free from its mountings (retaining clip, plastic clip, adhesive tape, connector, etc.).

• Unclip:
  • the sub-frame and cylinder block wiring,
  • the engine cooling fan assembly wiring,
  • the cylinder head wiring.
• Remove:
  • the engine wiring harness mounting bolt on the clutch housing,
  • the engine wiring harness.

REFITTING

I - REFITTING PREPARATION OPERATION

• If replacing with more wiring, lock the unused connectors (see Connectors: Sealing and immobilisation) (Technical Note 6015A, 88A, Wiring).

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the engine wiring,
  • the engine wiring harness mounting bolt on the clutch housing,
• Tighten the engine wiring harness mounting bolt on the clutch housing,

DP0

• Connect:
  • the automatic transmission module connector,
  • the flow control solenoid valve connector.
• Refit:
  • the gearbox suspended engine mounting (see Left-hand suspended engine mounting: Removal - Refitting) (MR 392, 19D, Engine mounting),
  • the automatic transmission computer (see Automatic gearbox converter: Removal - Refitting) (MR 392, 23A, Automatic transmission),

TL4

• Connect the reverse gear switch connector.

• Refit the fuel injection computer earth cable nut.
• Torque tighten the fuel injection computer earth cable nut (8 Nm).
• Refit the nut from the power feed fuse board cable.
• Torque tighten the nut from the power feed fuse board cable (6 Nm).
• Refit:
  • the fuse holder,
  • the 30 A fuse from the power feed fuse board.

TL4

• Refit the earth wiring bolt on the manual gearbox.
• Torque tighten the earth wiring bolt on the manual gearbox (24 Nm).

DP0

• Refit the earth wiring bolt on the automatic transmission.
• Torque tighten the earth wiring bolt on the automatic transmission (44 Nm).

• Refit the engine cooling fan assembly earth cable nut on the front left-hand side member.
• Torque tighten the engine cooling fan assembly earth cable nut on the front left-hand side member (8 Nm).
• Refit the automatic transmission earth cable nut on the front left-hand side member.
• Torque tighten the automatic transmission earth cable nut on the front left-hand side member (8 Nm).
• Refit:
  • the nut on the positive terminal of the starter,
  • the nut on the excitation terminal of the starter.
• Tighten to torque:
  • the nut on the positive terminal of the starter (9 Nm),
  • the nut on the excitation terminal of the starter (5 Nm).
• Connect:
  • the Protection and Switching Unit connectors,
  • the refrigerant pressure sensor connector,
  • the front left-hand wiring connector,
  • the engine cooling fan assembly resistor connector,
  • the engine cooling fan assembly connector,
  • the fuel injection computer connectors,
  • the air flowmeter connector,
  • the downstream oxygen sensor connector,
  • the upstream oxygen sensor connector,
  • the crankshaft position sensor connector,
  • the throttle valve connector,
  • the fuel vapour absorber solenoid valve connector,
  • the coolant temperature sensor connector,
  • the camshaft position sensor connector,
  • the engine wiring harness/injection connection,
  • the engine wiring harness/ignition connection,
  • the pinking sensor connector,
  • the oil level sensor connector,
  • the oil pressure sensor connector.
• Refit the alternator positive terminal nut.
• Torque tighten the nut for the positive terminal of the alternator (21 Nm).
• Connect:
  • the alternator exciter connector,
  • the air conditioning compressor connector,
• Clip:
  • the wiring on the sub-frame and the cylinder block,
  • the wiring on the engine cooling fan assembly,
  • the wiring on the cylinder head.

III - FINAL OPERATION.

• Refit:
  • the Protection and Switching Unit cover,
  • the bolts on the Protection and Switching Unit cover.
• Tighten the bolts on the Protection and Switching Unit cover.
• Refit:
  • the front bumper (see Front bumper: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the front section of the front wheel arch liners (see Front wheel arch liner: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the battery tray (see 80A, Battery, Battery tray: Removal - Refitting, 80A-5),
  • the air filter box (see Air filter unit: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the battery (see 80A, Battery, Battery: Removal - Refitting, 80A-1),
  • the engine cover.

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