Peugeot 308: Procedure : Engine immobiliser breathalyser connection (NEA architecture)

ESSENTIAL : Observe the safety and cleanliness recommendations .

ESSENTIAL : All personnel carrying out work on a vehicle fitted with traction batteries must have received specific electric vehicle training and be authorised to work on these vehicles (observe the regulations in force in the respective country).

N.B. : The breathalyser connection complies with the UNE EN 50436-7 : 2016 standard.

N.B. : The breathalyser connection document includes information concerning the supplies by ancillaries battery, “CAN positive”, “ignition positive”, earthing and activation of the starter (Namely solution 3.1.a from the regulation EU 2021_1243).

N.B. : The breathalyser chosen for the installation must comply with European standards.

N.B. : The engine immobiliser breathalyser connection procedure is valid for left-hand drive and for right-hand drive.

Key : Operation symbols .

1. Tooling

Workshop equipment : Electrical harnesses tooling .

Tool	Reference	Description
	[1350-ZZ]	Stripping tools

2. Preliminary operations

CAUTION : Perform the operations that are required before disconnecting the ancillaries batteries .

CAUTION : In the case of a vehicle with 2 batteries, carry out the specific operations for disconnecting and reconnecting the ancillaries batteries.

Disconnect the ancillaries battery or batteries (depending on equipment).

3. Prerequisite

A 5 A fuse must protect the breathalyser.

A relay integrated in the breathalyser must permit switching of the "START Authorisation" line, observe the following specifications :

• Switching voltage between 5,5 and 16 V
• Switched current between 10 and 50 mA

The breathalyser :

• Prevents starting of the vehicle if the regulations on alcohol consumption at the steering wheel are not complied with, in accordance with the countries of sale
• Must operate at a voltage of between 5,5 and 16 V (Starting and fluctuations of voltage linked with the Stop and Start)
• Must not consume more than 125 microamperes (ignition off for more than 2 minutes) under an ancillaries battery voltage of 12 V
• Must work with an exterior temperature of between - 40 and 85°C

N.B. : If these recommendations cannot be observed, the installer must advise the customer of this and not fit a breathalyser that does not observe the required specifications.

4. NEA architecture

The breathalyser is only fitted on the vehicles with :

• NEA architecture
• Starting with mechanical key, high-frequency remote control
• Starting with hands-free identifier
• All internal combustion engines, hybrid (MHEV, PHEV) power trains and electric motors
• Manual gearbox
• Automatic gearbox
• Double-clutch piloted manual gearbox

4.1. Electrical diagram for system with steering lock (Mechanical key / High frequency remote control)

(1) Steering lock.

(2) Diagnostic socket.

(3) Breathalyser.

(4) Built-in systems interface (VSM1).

"a" Line "START Autorisation".

"b" Earth wire.

"c" “ancillaries battery positive” supply (pin "EB2-30" or "EB2-20" or "EB2-21") with minimum cross-section of 0,5 mm² (Breathalyser supply).

"d" “CAN" positive” supply (pin "EB2-31 or "EB2-29") with minimum cross-section of 0.5 mm² (Remote triggering of the breathalyser).

"e" Steering lock supply (pin "ED1-72").

"f" Breathalyser “ignition positive" supply with minimum cross-section of 0.5 mm² (Maintaining of the switched relay).

N.B. : Use the free track at "c" and "d".

4.2. Electrical diagram for system with starting switch

(5) Starting switch .

(2) Diagnostic socket.

(3) Breathalyser.

(4) Built-in systems interface (VSM1).

"a" Line "START autorisation".

"b" Earth wire.

"c" “ancillaries battery positive” supply (pin "EB2-30" or "EB2-20" or "EB2-21") with minimum cross-section of 0,5 mm² (Breathalyser supply).

"d" “CAN" positive” supply (pin "EB2-31 or "Eb2-29") with minimum cross-section of 0.5 mm² (Remote triggering of the breathalyser).

"e" Steering lock supply (ED1-72).

"f" Breathalyser “ignition positive" supply with minimum cross-section of 0,5 mm² (Maintaining of the switched relay).

N.B. : Use the free track at "c" and "d".

5. Procedure for connecting the breathalyser on a vehicle

CAUTION : For any electrical wires connection operation, consult the “electrical harnesses repair” procedure .

5.1. Connection of the “ancillaries battery positive” and “CAN positive” supplies

Remove the built-in systems interface (VSM1) access trim (6) ; With the help of tool [1350-ZZ].

N.B. : For right-hand drive, remove the dashboard storage compartment.

Disconnect the built-in systems interface (VSM1) white 40-way connector "EB2".

Check, on the built-in systems interface (VSM1) connector :

• The “ancillaries battery positive” supply on the free pin "EB2-30" or "EB2-20" or "EB2-21" (In "c")
• The “CAN positive” supply on the free pin "EB2-31" or "EB2-29" (In "d")

5.2. Connection of the “ignition positive” supply

Connect the “ignition positive” supply of the breathalyser in track 1 on the diagnostic socket (2) (In "f").

5.3. Connection of the earth wire

Remove :

• The front left pillar trim (7)
• The door sill trim (8)

Release the floor carpet .

Connect the breathalyser earth wire (9) to the vehicle’s bodywork earth (In "b").

5.4. Connection of the breathalyser relay

Disconnect the built-in systems interface (VSM1) green "ED1" 76-way connector.

Cut the steering lock/starting switch supply wire connected to pin "ED1-72" (In "e") :

• Connect one of the wires of the breathalyser’s "START Authorisation" line to the end of the wire connected to pin "ED1-72" ; Using a heat-shrink sleeve
• Connect the other wire of the breathalyser’s "START Authorisation" line to the other end of the steering lock/starting switch wire ; Using a heat-shrink sleeve

6. Refitting

Proceed in the reverse order to removal.

7. Additional operation

CAUTION : Perform the operations that are required before disconnecting the ancillaries batteries .

CAUTION : In the case of a vehicle with 2 batteries, carry out the specific operations for disconnecting and reconnecting the ancillaries batteries.

Reconnect the ancillaries battery or batteries (depending on equipment).

Check the operation of the various equipment.