engine RENAULT KANGOO 1997 KC / 1.G Foult Finding - Injection Service Manual

Connect the bornier in place of the computer and check the insulation, continuity and that there is no
interference resistance on the line:
Computer 12 B1 Vehicle speed sensor
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 4 RH side illuminated or flashingFiche n° 27 side 1/2
VEHICLE SPEED CIRCUIT
XR25 aid:CO, CC- or CC+ line 12

4
Carry out a road test if BG 4RH is flashingNOTES
Check on the vehicle speed sensor for:
-earth on track B2,
-+ 12 after ignition feed on track A.
Repair if necessary.
The fault persists! Replace the sensor.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
Check the sensor is correctly positioned.
17-15

Connect the bornier in place of the computer and check the insulation, continuity and that there is no
interference resistance on the line:
Computer 45 C Pressure sensor
Computer 44 A Pressure sensor
Computer 16 B Pressure sensor
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 5 LH side illuminatedFiche n° 27 side 1/2
PRESSURE SENSOR CIRCUIT
XR25 aid:CO, CC- or CC+ line 45, 44 or 16

5
If BG 6RH is also illuminated, check line 45 on the computer.
If BG 6LH or BG 4LH is also illuminated, check line 44 on the computer.NOTES
Check that the pressure sensor is connected correctly both electrically and pneumatically.
Check the conformity of the pressure sensor pipe (it must not be holed or blocked...).
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
The fault persists! Replace the sensor.
17-16

Connect the bornier in place of the computer and check the insulation,
continuity and that there is no interference resistance on the line:
Computer 33 B Target sensor
Computer 34 A Target sensor
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 5 RH side illuminated or flashingFiche n° 27 side 1/2
FLYWHEEL SIGNAL CIRCUIT
XR25 aid:*25 = CO.0 =>CO or CC- line 33 or 34
*25 = CC.0 =
>CC- line 33 or 34 on the computer
*25 = In =
>sensor incorrectly connected
5
If BG 5RH is flashing, erase the computer memory using G0**.
Try to start the vehicle.
If BG 5RH becomes permanently illuminated or flashes, deal with this fault.
NOTES
*25 = CO.0
*25 = CC.0Check the condition of the flywheel, especially if it has been removed.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock.
The cause of the damage must be found before fitting a new
computer.
Check the target sensor has been correctly connected (the sensor connector must
not be inverted).
Repair if necessary.*25 = In
The fault persists! Replace the sensor.
The fault persists! Replace the sensor.
17-17

Connect the bornier in place of the computer and check the insulation, continuity and that there is no
interference resistance on the line:
Computer 8 2 Pinking sensor
Computer 44 1 Pinking sensor
Computer 31 Pinking sensor screening
Repair if necessary.
JF 5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 6 LH side illuminated or flashingFiche n° 27 side 1/2
PINKING SENSOR CIRCUIT
XR25 aid:CO, CC- or CC+ line 8 or 44

6
If BG 6LH is flashing, erase the computer memory using G0**. Run the engine at
3000 rpm for 3 min. If BG 6LH becomes permanently illuminated or flashes, deal
with this fault. If BG 4LH or BG 5LH is also illuminated, check line 44 on the
computer.
NOTES
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
The fault persists! Replace the pinking sensor in question.
17-18

Connect the bornier in place of the computer and check the insulation, continuity and that there is no
interference resistance on the line:
Computer 19 2 Throttle potentiometer
Computer 45 1 Throttle potentiometer
Computer 46 3 Throttle potentiometer
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 6 RH side illuminatedFiche n° 27 side 1/2
THROTTLE POTENTIOMETER CIRCUIT
XR25 aid: CO, CC- or CC+ line 19, 45 or 46

6
If BG 5LH is also illuminated, check line 45 on the computer.
If BG 3LH is also illuminated, check line 46 on the computer.NOTES
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
Check the resistance of the throttle potentiometer.
The fault persists! Replace the throttle potentiometer.
17-19

Check the insulation and continuity of the line:
Computer 52 L5 Fuel pump relay
Repair if necessary.
NOTE : If there is a short circuit on this line, check all the users of this feed.
Check the insulation, continuity and that there is no interference resistance on the line:
Computer 48 L2 Fuel pump relay
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 8 LH side illuminated or flashingFiche n° 27 side 1/2
FUEL PUMP CIRCUIT
XR25 aid:*08 = ignore this information
CO, CC- or CC+ line 48
CO line 52
8
NOTES
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock.
The cause of the damage must be found before fitting a new
computer.
If the fuel pump relay still does not click, replace the fuel pump relay.
If BG 8LH is flashing, erase the computer memory using G0**. Try to start the
engine. If BG 6LH is now permanently illuminated or flashing, deal with this fault. In
certain cases, BG 13RH is illuminated, which must be ignored if ADAC is not present.
Enter the fuel pump relay command mode : G10*.
Does the fuel pump relay click?
The fuel pump
relay does not
clickCheck the presence of 12 volts on track L1 on the fuel pump relay mounting.
If necessary, repair the line to the 15 A fuse.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock.
The cause of the damage must be found before fitting a new
computer.
If the fault persists, replace the fuel pump relay.
The fuel pump
relay clicksCheck the presence of 12 volts on track L3 on the fuel pump relay mounting.
If necessary, repair the line to the 30 A fuse.
17-20

Connect the bornier in place of the computer and check the insulation and continuity of the line :
Computer 30 2 Injectors 1 and 4
Computer 4 2 Injectors 2 and 3
Repair if necessary.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Turn the engine, switch the ignition on and erase the computer memory using
G0**. Try to start the engine. Switch the ignition on, then deal with the other
faults. Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 11 LH side illuminated or flashingFiche n° 27 side 1/2
INJECTOR CIRCUIT
XR25 aid:*11 = XX.CO=> CO or CC- line 30 or 4 on the computer
*11 = XX.CC=> CC+ line 30 or 4 on the computer

11
XX = 14 => Cylinder 1 or 4 line 30 on the computer
XX = 23 =
> Cylinder 2 or 3 line 4 on the computer
If BG 11LH is flashing, erase the computer memory using G0**. Try to start the
engine. If BG 11LH is now permanently illuminated or flashing, deal with this fault. NOTES
When the ignition is switched on and during the timed phase, check for 12 V on track 1 of the faulty
injector.
If necessary, repair the line from track 1 injector to track L5 fuel pump relay.
The fault persists! Replace the injection computer.
IMPORTANT: The computer has probably been damaged by an electric shock. The cause of the damage
must be found before fitting a new computer.
The fault persists! Replace the faulty injector.
NOTE : Check the insulation and continuity of the lines for the other injectors and also check the
resistance of these injectors.
17-21

JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 11 RH side illuminated or flashingFiche n° 27 side 1/2
ATINJECTION CIRCUIT
XR25 aid:None

11
NOTES
Ignore the illumination of this bargraph as the vehicle does not have an automatic transmission.
None
17-22

This bargraph only illuminates when the computer feed has been cut (disconnection of the battery, the
computer, ...).
Check the computer feed hygiene:
Computer 24 Fuse 15 A F6
Computer 32 Fuse 5 A F3
Repair if necessary.
Turn the engine.
Switch the ignition off.
Switch the ignition on.
Enter dialogue with the computer.
Erase the computer memory using G0**.
NOTE : memorised faults are erased. It would therefore be useful to carry out a road test to check there
are no faults on the injection system.
JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 13 LH side illuminated or flashingFiche n° 27 side 1/2
MEMORY CIRCUIT
XR25 aid:Loss of computer feed

13
NoneNOTES
17-23

JF5111.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
E7J 780
engine
Erase the computer memory using G0**.
Try to start the engine. Switch the ignition on, then deal with the other faults.
Remember to carry out a status and parameter check.AFTER REPAIR
Bargraph 13 RH side illuminated or flashingFiche n° 27 side 1/2
ADAC CIRCUIT
XR25 aid:False diagnosis by computer for vehicles not fitted with ADAC

13
This vehicle is not fitted with ADAC at the moment.
If another bargraph is illuminated, refer to the fault finding for that bargraph.NOTES
If your vehicle has ADAC,
this method of fault finding will not be of use for this fault.
This bargraph is often illuminated or flashing in the following cases:
-Air conditioning compressor command mode G12*.
-Fault on fuel pump relay circuit.
-Other cases, which have not yet been noted, may well exist.
17-24