2013 RENAULT KANGOO engine

87B-3V1 MR-376-X76-87B000$020.mif
87B
UCH
VDiag No.: 0F
GENERAL OPERATION
The UCH is involved in the following four functions (shared between several computers):
– Access - Security Function
This function is divided into three sub-functions which are: Access, Protection and Starting (see 82D, Access –
Security).
– Heating and manual air conditioning function.
In this function, the UCH manages the heated rear screen operation indicator lights, heating controls and air
conditioning activation requests, by sending requests to the engine management computer:
– In the case of a vehicle fitted with manual air conditioning, by pressing on the air conditioning button.
– Wiping function
This function is divided into two sub-functions, which are: Wiper control and Wiper power (see 85A, Wiping -
Washing).
– Lighting Function
This function is divided into two sub-functions, which are: Lighting control and Lighting power (see 80D, Lighting).
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Role of components

87B-12V1 MR-376-X76-87B000$080.mif
87B
UCH
VDiag No.: 0F
MAIN SCREEN
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Engine
immobiliserET549:Immobiliser activeNOIn the event of a fault, apply
the interpretation of status
ET549.
Blank UCH ET008:Blank UCHNOIn the event of a fault, apply
the scenario SC004 Program
UCH.
SupplyPR001:Battery voltage12 V < X < 12.5 VIn the event of a fault, run
fault finding on the charging
circuit (see Technical Note
6014A, Checking the
charging circuit).
ET004:+ 12V after ignition
feedYESIn the event of a fault, apply
the interpretation of status
ET004.
ET091:Engine runningNOIn the event of a fault,
perform a test on the injection
computer (see 13B, Diesel
injection or 17B, Petrol
injection).
Speed PR008:Vehicle speedX in km/hIn the event of a fault,
perform a test on the vehicle
speed or ABS computer (see
38C, Anti-lock braking
system).
UCH_V0F_CCONF
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check

87B-13V1 MR-376-X76-87B000$080.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check87B
UCH
VDiag No.: 0F
FUNCTION: ACCESS - SAFETY
SUB-FUNCTION: ACCESS
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Supply ET004:+ 12V after
ignition feedYESIn the event of a fault, apply
the interpretation of status
ET004.
Speed PR008:Vehicle speedX in mph (km/h)In the event of a fault,
perform a test on the vehicle
speed or ABS computer (see
38C, Anti-lock braking
system).
Opening
elementsET489:Front doorsOpen when the front doors
are open.In the event of a fault, apply
the interpretation of status
ET489.
ET551:Rear doors or
luggage
compartmentOpen when rear doors or
luggage compartment are
open.In the event of a fault, apply
the interpretation of status
ET551.

87B-14V1 MR-376-X76-87B000$080.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check87B
UCH
VDiag No.: 0F
FUNCTION: ACCESS - SAFETY
SUB-FUNCTION: STARTING
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Supply ET004:+ 12V after
ignition feedYESIn the event of a fault,
apply the interpretation of
status ET004.
Opening
elementsET183:Key already
programmed for
the vehicleYESIn the event of a fault,
apply the interpretation of
status ET183 (see 82D,
Access – Security).
ET184:Valid key codeYES when the ignition is
switched onIn the event of a fault,
apply the interpretation of
status ET184 (see 82D,
Access – Security).
Engine
immobiliserET549:Immobiliser
activeNOIn the event of a fault,
apply the interpretation of
status ET549.
Immobiliser
warning lightET127:Immobiliser
warning lightOFFIn the event of a fault,
apply the interpretation of
status ET127.
KeyPR056:Number of keys
allocated1 to 4In the event of a fault,
apply the interpretation of
status PR056 (see 82D,
Access – Security).
ET185:Key code
receivedYES when the ignition is
switched onIn the event of a fault,
apply the interpretation of
status ET185 (see 82D,
Access – Security).

87B-15V1 MR-376-X76-87B000$080.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check87B
UCH
VDiag No.: 0F
FUNCTION: LIGHTING
SUB-FUNCTION: LIGHTING CONTROL
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Side lights ET484:Side lights signalPresent when the side lights
are illuminated.In the event of a fault, apply
the interpretation of status
ET484 (see 80D, Lighting).
Direction
indicatorsET485:Hazard warning
lights signalPresent when the hazard
warning lights are
illuminated.In the event of a fault, apply
the interpretation of status
ET485 (see 80D, Lighting).
ET486:Right-hand
direction indicator
signalPresent when the right-hand
indicator is controlled.In the event of a fault, apply
the interpretation of status
ET486 (see 80D, Lighting).
ET487:Left-hand
direction indicator
signalPresent when the left-hand
indicator is controlled.In the event of a fault, apply
the interpretation of status
ET487 (see 80D, Lighting).

87B-16V1 MR-376-X76-87B000$080.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check87B
UCH
VDiag No.: 0F
FUNCTION: WIPING
SUB-FUNCTION: WIPER CONTROL
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Supply ET004:+ 12V after
ignition feedYESIn the event of a fault,
apply the interpretation of
status ET004.
Park positionET027:Windscreen
wiper park
positionActive when the wiper
control is in the intermittent
position each time the
wiper stops.In the event of a fault,
apply the interpretation of
fault ET097 Windscreen
wiper park position (see
85A, Wiping - Washing).
ET097:Rear screen
wiper park
positionActive when the wiper
control is in the intermittent
position each time the
wiper stops.In the event of a fault,
apply the interpretation of
fault DF040 Rear screen
wiper park position (see
85A, Wiping - Washing).
Windscreen wiper
speed settingET558:Windscreen
wiper speed
setting selectionYes when the wiper control
is in the intermittent
position.In the event of a fault,
apply the interpretation of
status ET558 (see 85A,
Wiping - Washing).

87B-17V1 MR-376-X76-87B000$080.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Conformity check87B
UCH
VDiag No.: 0F
FUNCTION: WIPING (CONTINUED)
SUB-FUNCTION: WIPER CONTROL
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application condition: engine off, ignition on.
FunctionParameter or status
Checked or actionDisplay
and notesFault finding
Wiping - Washing
signalsET555:Rear screen
wiper signalPresent when the rear
screen wiper is working.In the event of a fault,
apply the interpretation of
status ET555 (see 85A,
Wiping - Washing).
ET492:Windscreen
washer signalPresent when the
windscreen washer is
working.In the event of a fault,
apply the interpretation of
status ET492 (see 85A,
Wiping - Washing).
ET557:Rear screen
washer signalPresent when the rear
screen washer is working.In the event of a fault,
apply the interpretation of
status ET557 (see 85A,
Wiping - Washing).
Supply PR001: Battery voltage12 V < X < 12.5 VIn the event of a fault, run
fault finding on the charging
circuit (see Technical Note
6014A, Checking the
charging circuit).

87B-18V1 MR-376-X76-87B000$090.mif
87B
UCH
VDiag No.: 0F
Tool status Diagnostic tool name
ET004+ 12 V after ignition feed
ET008UCH blank
ET091Engine running
ET127Immobiliser warning light
ET489Front doors
ET549Immobiliser active
ET551Rear doors or boot
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding – Status summary table