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

87B-38
MR-413-X44-87B000$384.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
UCH
Vdiag No.: 44
87B
*RF: radio frequencyDF054
PRESENT
OR
STORED
COMPUTER
The radiofrequency receiver inside the UCH computer does not work
1.DEF : Internal electronic fault
NOTESConditions for applying the fault finding procedure to stored faults:
–The fault is declared present after the ignition has been switched on.
If the fault is stored, switch off the ignition and check the F8 (15A) fuse of the UCH supply (component
code 645) on the passenger compartment fuse and relay box (component code 1016).
–Replace the fuse if necessary, clear the fault and switch on the ignition again.
–Request locking and then unlocking, then start the engine.
Check for + after ignition feed on connections AP43, BP15, APT, BP6, BP13, BP19, SP2, SP15 of
component 645.
Check for + 12 V accessories feed on connections SP2 and SP15 of component 645.
Check for earth on connections MAN and NAM of component 645.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check that status ET045 “RF* signal received” is “Yes” by pressing the locking button on the key, if when
pressing the status is “No” check the battery and the conformity of the key.
If the fault does not reappear, switch the lighting, wipers, vehicle locking and climate control request controls on
and off several times, then read the faults again.
If the fault is still present. Do not operate on the computer, contact Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF054

87B-98
MR-413-X44-87B000$576.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
*RF: radio frequency.ET045
RF* SIGNAL RECEIVED
NOTESNo faults should be present or stored.
Only apply these checks if the status remains NO when a button on a key is pressed.
Special note:
This status enables you to check that the UCH is receiving the radio frequency signals
transmitted by a key that may or may not belong to the vehicle.
SPECIFICATIONSYES
NO
Does the status change to “YES” after one of the other buttons on the key is pressed?
YES
Replace the key.
NOCheck the operation of this status with another key for the New Twingo, Modus or Clio
III.
If the status changes to YES, check the condition of the first key's battery.
If the fault is still present, replace the key and allocate the key using command SC015
Key allocation.
If the status remains NO, consult the interpretation of DF054 Computer.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET045

87B -133
MR-413-X44-87B000$624.mif
V5
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
UCH
Vdiag No.: 44
87B
* RF: radio frequencyET186
ET189
SHORT PRESS ON DOOR CLOSING BUTTON
DOOR OPENING BUTTON PRESSED
NOTESThere must be no present or stored faults.
Check that LC097 Key type is definitely RF*. Otherwise run CF195 Key type and
select RF*.
Check the operation of statuses ET045 R.F.* signal received and ET193 RF* signal
from a key allocated to the vehicle.
Note:
The key must not be in the ignition switch.
Signal can be interpreted if the ignition is switched off (key removed from the
ignition switch).
SPECIFICATIONSACTIVE
INACTIVE
Check the condition of the key battery and of the button contacts.
Replace the battery if necessary.
Try the vehicle's second key.
If the status changes to Active, replace the first key and allocate the keys using command SC015 Key allocation.
If the fault is still present, contact the Techline.
AFTER REPAIRRepeat the conformity check from the start.
Carry out fault finding on the system.
UCH_V44_ET186 / UCH_V44_ET189

87B -144
MR-413-X44-87B000$672.mif
V5
87B
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Parameter summary table
Tool parameter Diagnostic tool title
PR002External temperature
PR056Number of keys allocated
PR073Alternator charge signal
PR074Battery setpoint voltage
PR075Alternator setpoint voltage
PR076Battery voltage after rest
MR-413-X44-87B000$672.mif
UCH
Vdiag No.: 44

87B -166
MR-413-X44-87B000$864.mif
V5
UCH
Vdiag No.: 44PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Customer complaints87B
ENERGY MANAGEMENT87B
NO + ACCESSORIES FEED ALP 26
NO + AFTER IGNITION FEED ACTIVATION OR
+ AFTER IGNITION FEED REMAINS JAMMEDALP 27
BATTERY WARNING LIGHT COMES ON ALP 28
STARTER NOISY ALP 29
LOW LIGHT INTENSITY ALP 30
SUNROOF87B
THE SUNROOF DOES NOT WORK ALP 31
MEMORY KEY87B
NO INFORMATION IN THE KEYFAULT
FINDING
CHART
32
EXTERNAL TEMPERATURE DISPLAY 87B
NO EXTERNAL TEMPERATURE DISPLAYALP 33