diagram RENAULT TWINGO 2009 2.G Engine And Peripherals Passenger Compartment Connection Unit OBD Workshop Manual

8Electrical equipment
V5 MR-413-X44-87B000$TOC.mif
V5
87B
"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from
which his vehicles are constructed."
V5
All rights reserved by Renault s.a.s.
Edition Anglaise
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault s.a.s.
© Renault s.a.s. 2008
PASSENGER COMPARTMENT CONNECTION
UNIT
UCH
Vdiag No.: 44
Fault finding - Introduction 87B - 2
Fault finding - List and location of components 87B - 7
Fault finding - Operating diagram 87B - 8
Fault finding - Role of components 87B - 9
Fault finding - Replacement of components 87B - 13
Fault finding - Configurations and programming 87B - 14
Fault finding - Fault summary table 87B - 24
Fault finding - Interpretation of faults 87B - 25
Fault finding - Conformity check 87B - 68
Fault finding - Status summary table 87B - 84
Fault finding - Interpretation of statuses 87B - 86
Fault finding - Parameter summary table 87B - 144
Fault finding - Interpretation of parameters 87B - 145
Fault finding - Command summary table 87B - 151
Fault finding - Interpretation of commands 87B - 152
Fault finding - Customer complaints 87B - 164
Fault finding - Fault Finding Chart 87B - 167
Fault finding - Tests 87B - 177

87B-2
MR-413-X44-87B000$048.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Introduction
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding procedure applicable to all computers with the following specifications:
2. PREREQUISITES FOR FAULT FINDING
Documentation type
Fault finding procedures (this manual):
–Assisted fault finding (integrated into the diagnostic tool),
–Dialogys.
Wiring Diagrams:
–Visu-Schéma (CD-ROM), paper.
Type of diagnostic tools
–CLIP
Special tooling required
3. REMINDER
To run fault finding on the vehicle computers, switch on the ignition.
To cut off the + after ignition feed, proceed as follows:Vehicle(s): New Twingo
Function concerned: Passenger compartment
connection unitName of computer: UCH
Vdiag No.: 44
Special tooling required
Multimeter
Elé. 1681 Universal bornier
–Switch on the ignition with the key.
–Connect the diagnostic tool and perform the required operations.
–Switch off the ignition with the key.
–Disconnect the diagnostic tool.
–Switch off the ignition.
UCH_V44_PRELI
MR-413-X44-87B000$048.mif
UCH
Vdiag No.: 44

87B-8
MR-413-X44-87B000$144.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Operating diagram
1UCH.
2Air conditioning.
3Interior lighting.
4Exterior lighting, signals.
5One touch windows and electric sunroof.
6Alarm.
7Radiofrequency key.
8Starter.
9Opening elements.
10 Front/rear wipers, washers.
11 Alternator.
12 BSS* connection
*BSS: (see Role of components, Role of connection BSS).
1
8
3
2
11
10
9
7
6
5
4
12
MR-413-X44-87B000$144.mif
UCH
Vdiag No.: 44

87B -172
MR-413-X44-87B000$912.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
UCH
Vdiag No.: 44
87B
ALP 29 Starter noisy
NOTESSpecial notes:
Check for faults using the diagnostic tool. Deal with the other faults first.
Use the W iring Diagrams Technical Note for New Twingo.
Check with LC023 Engine type that the engine type configured matches the vehicle. Otherwise perform CF028
Engine type to modify the configuration.
If the configuration is correct (see 16A Starting - Charging).
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP29