Dacia Pick-Up 1304/1305/1307. Service manual — part 140
85
WINDSCREEN WIPERS
85 - 9
WINDSCREEN WIPER NOT WORKING AT HIGH SPEED;
THE PUMP IS WORKING
Check the gray wire supplying from the
wiring plug connected to the drive motor.
The wire is not voltage supplied; replace.
The plug or repair the wiring to the plug.
The motor is supplied;
replace the motor.
The wire is voltage supplied.
The motor is not supplied; the supply
wire is broken or not connected.
Check the motor supply.
WINDSCREEN WIPER NOT WORKING AT LOW SPEED;
IT DOES NOT STOP AT FIX POINT; THE PUMP IS WORKING
Check the green wire supplying from the
wiring plug connected to the motor.
The wire is not voltage supplied;
replace the contact or repair the electric
wiring to the contact.
The engine is voltage supplied;
replace the motor.
The wire is voltage supplying.
The motor is not supplied; the supply
wire is broken.
Check the motor supplied.
DIAGNOSTIC
WINDSCREEN WIPERS
85
85 - 10
WINDSCREEN WIPER WORKING ON BOTH SPEEDS, BUT IT DOES NOT
STOP AT FIX POINT; THE PUMP IS WORKING
Check existence of + 12V at the white wire
from the wiper?
Check presence of + 12V at the
black wire on the return wiring?
Check the correct operation of the
timer and switch.
Repair the electric wiring right
connection plate - wiper motor.
Both working correctly; Check
electric connections and repair it.
Replace the wiper electric motor.
Yes
No
Both are defective. Replace
them.
No
Yes
DIAGNOSTIC
89
ELECTRICAL DIAGRAMS
89 - 1
GENERAL PRESENTATION
From the electric point of view, the electric diagrams of the vehicle have been structured as
Applied Principle Schemes (APS), which are presented according to each function of the systems.
These APS diagrams also contain detail concerning the internal function of some simple electric
components (contacts, relays), thus contributing to a better understanding of the system functioning
and of the incident good diagnosis.
Chapter 2
includes the list of the functional diagrams (APS). They are divided in: electric supply
diagrams, mass connection diagrams and system functional diagrams.
Chapter 7
includes the electric functional diagrams (APS), indicating the following:
- electric components, marked by a 3-4 figures; their identification on the electric diagrams
can be achieved by means of “index of components” – Chapter 3;
- couplings between the electric wires, marked by the letter R followed by figures; they are
indicated in the Chapter 4 list;
- mass connections, marked by the letter M followed by figures or letters; they are indicated
in Chapter 4.
Each wire of the electric diagrams is marked by an alphanumeric code, representing the wire
function, followed by a group of letters representing the wire colour.
Chapter 11
includes the connectors and couplings between the wires. These are drawn from the
wires inlet to the connector/coupling. The wires entering each connector socket are identified by
means of the above-mentioned drawings. The Chapter 11 also includes tables with details about
each wire entering the connector: wire location in the connector socket, wire sectioning, wire function
code and its destination.
Chapter 10
includes the index of wire functions in connectors and couplings, representing the list
of all the connectors and couplings and helping to their easy identification in Chapter 11.
Chapter 5
includes the mass and coupling position on the vehicle and helps to identify the
electric mass fixing points on it and the location of the couplings between its wires.
Chapter 6
includes the electric components position on the vehicle. The position of the various
components with electric functions on the vehicle can be identified by means of the components list.
GENERALITIES
89
ELECTRICAL DIAGRAMS
89 - 2
FUNCTIONAL DIAGRAMS INTERPRETATIONS
The functional diagrams information included in Chapter 7 are to be interpreted taking into
consideration the explanation referring to the following example:
1 = vehicle class
2 = manufacturing year
3 = electric functional diagram denomination
4 = criteria of equipment differentiation for identifying the functional diagram
5 = electric connector colour*
6 = connector graphical representation
7 = electric component index number
8 = fuses box number (the relay or the safety fuse are mounted on this box)
9 = identification of the safety fuse on the fuses box
10 = safety fuse value
11 = identification of wiring joints
12 = electric mass identification
13 = electric connection colour between wires*
14 = electric connection identification
15 = electric connection graphical representation
16 = symbol, pages containing functional diagrams
17 = wire function code
18 = wire colour
19 = functional diagram number
OBSERVATION:
1
. The electric connectors (5) the couplings (13) and wires (18) are symbolised by the following colours:
BA = white
GR = grey
SA = salmon pink
BE = blue
MA = brown
VE = green
BJ = beige
NO = black
VI = violet
CY = white
OR = orange
GR = grey
RG = red
2.The zone (4) specifies the differentiation elements serving to the identification of the various
functional diagrams, taking into consideration the following symbols:
- PROJAB for vehicles with fog lights
- EVCVAR for vehicles with windscreen wiper timer
- CHAUFO – for vehicles without AC
- CA – for vehicles with AC
- ANTID – for vehicles provided with anti-starting system
- DAIF coutry group with SASO standards
- 4X4 – for vehicles provided with 4X4 traction
- U75 – representing DACIA 1304 Pick-Up
- M75 – representing DACIA 1304 King Cab
- E75 – representing DACIA 1304 Drop-Side
- H75 – representing DACIA 1307 Double Cab
GENERALITIES
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