Électric injection RENAULT KANGOO 1997 KC / 1.G Foult Finding - Injection Owner's Guide

Connect the bornier in place of the computer and check the insulation, continuity and that there is no
interference resistance on the line:
Computer 3 C Throttle potentiometer
Computer 5 B Throttle potentiometer
Computer 15 A Throttle potentiometer
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 3, 5 or 15

6
If BG 6RH is flashing and BG 3LH is fixed, deal with BG 3G. If BG 5LH is also
illuminated, check line 5 on the computer. If BG 4LH or BG 5LH or BG 6LH or BG
3LH is also illuminated, check line 15 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.
Replace the throttle potentiometer if necessary.
17-93

Check the insulation from 12 V of line :
Computer 20 2 Fuel pump relay
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 illuminatedFiche n° 27 side 1/2
FUEL PUMP CIRCUIT
XR25 aid:Just detection of CC+

8
CO or CC- on line 20 of the computer prevents dialogue with 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 fuel pump relay.
17-94

Connect the bornier in place of the computer and check the insulation and continuity of the line :
Computer 33 2 Injectors 1 and 4
Computer 32 2 Injectors 2 and 3
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 illuminatedFiche n° 27 side 1/2
INJECTOR CIRCUIT
XR25 aid:*11 = XX.CO=> CO or CC- line 32 or 33 of the computer
*11 = XX.CC=> CC+ line 32 or 33 of the computer

11
XX = 14 => Cylinder 1 or 4 line 33 of the computer
XX = 23 =
> Cylinder 2 or 3 line 32 of the computerNOTES
Check the resistance of the valve for the two faulty injectors.
Replace the injector/s if necessary.
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 5 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.
17-95

Check the insulation, continuity and that there is no interference resistance on the line:
Computer 11 D idle speed regulation stepping motor
Computer 12 A idle speed regulation stepping motor
Computer 28 B idle speed regulation stepping motor
Computer 29 C idle speed regulation stepping motor
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 14 LH side illuminatedFiche n° 27 side 1/2
IDLE SPEED REGULATION CIRCUIT
XR25 aid:CO, CC- or CC+ line 11 or 12 or 28 or 29 on the computer

14
NoneNOTES
Check the resistance of the idle speed regulation stepping motor.
Check the idle speed regulation valve if necessary.
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.
17-99

Connect the bornier in place of the computer and check the insulation and continuity of the line:
Computer 24 B Canister bleed valve
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 14 RH side illuminatedFiche n° 27 side 1/2
CANISTER BLEED CIRCUIT
XR25 aid:CO, CC- or CC+ line 24 on the computer

14
NoneNOTES
Check the resistance of the canister bleed valve.
Replace the valve if necessary.
Check, ignition on , for 12 V on track A of the canister bleed.
Repair if necessary.
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.
17-100

Connect the bornier in place of the computer and check the insulation and continuity of the line :
Computer 17 2 Coil
Computer 35 1 Coil
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Interpretation of XR25 bargraphs17
D7F 710
engine -
35 tracks
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 16 LH side illuminatedFiche n° 27 side 1/2
COMPUTER MPA CONNECTION CIRCUIT
XR25 aid:*16 = XX.CO=> CO or CC- line 17 or 35 of the computer
*16 = XX.CC=> CC+ line 17 or 35 of the computer

16
XX = 14 => Cylinder 1 or 4 line 35 of the computer
XX = 23 =
> Cylinder 2 or 3 line 17 of the computerNOTES
Check the resistance of the coil.
Replace the coil if necessary.
Check the + after ignition feed to the coil concerned on track 3.
Repair if necessary.
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 hygiene of the anti-interference condenser on track 4 of the coil.
17-102

Check the insulation and continuity of the line:
Computer 3 C Throttle potentiometer
Computer 5 B Throttle potentiometer
Computer 15 A Throttle potentiometer
Repair if necessary.
JSA051.0
INJECTION
Fault finding - Status and parameter interpretation17
D7F 710
engine -
35 tracks
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 2
THROTTLE POTENTIOMETERFiche n° 27
XR25 aid:# 17 outside tolerances
# 17 does not vary when throttle moves
Status BG 2LH or 2RH, incorrect illumination
No fault bargraphs should be illuminated.
Ignition on or engine running.NOTES
Status bargraph 2RH
incorrect illuminationNoneNOTES
Check the resistance of the throttle potentiometer.
Replace the throttle potentiometer if necessary.
# 17 is fixedNoneNOTES
Check the resistance of the throttle potentiometer when the throttle butterfly is moved.
If the resistance varies, check the electrical lines of the sensor.
If the resistance does not vary, check that the sensor is connected mechanically to the throttle.
If necessary, replace the sensor.
# 17 outside tolerancesNoneNOTES
Check the upper and lower stops of the throttle butterfly.
Check the accelerator control (points of resistance and friction).
Repair.
17-110

Check the insulation, continuity and that there is no interference resistance on the electrical line :
Computer 6 2 Coolant temperature sensor
Computer 15 1 Coolant temperature sensor
Repair.
JSA051.0
INJECTION
Fault finding - Status and parameter interpretation17
D7F 710
engine -
35 tracks
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 3
Fiche n° 27
COOLANT TEMPERATURE
XR25 aid: # 02 = Engine temperature ± 5 °C
No fault bargraphs should be illuminated.NOTES
If the value read is incoherent, check the sensor is correctly following the standard table of values for
"resistance as a function of temperature".
Replace the sensor if the values are incorrect (
NOTE : If a sensor is incorrect, this is often due to an electric
shock).
17-111

Check the insulation, continuity and that there is no interference resistance on the electrical line :
Computer 2 2 Air temperature sensor
Computer 15 1 Air temperature sensor
Repair.
JSA051.0
INJECTION
Fault finding - Status and parameter interpretation17
D7F 710
engine -
35 tracks
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 4
Fiche n° 27
AIR TEMPERATURE
XR25 aid:# 03 = Temperature under the bonnet ± 5 °C
No fault bargraphs should be illuminated.NOTES
If the value read is incoherent, check the sensor is correctly following the standard table of values for
"resistance as a function of temperature".
Replace the sensor if the values are incorrect (
NOTE : If a sensor is incorrect, this is often due to an electric
shock).
17-112

Check the insulation, continuity and that there is no interference resistance on the electrical line :
Computer 13 B Flywheel signal sensor
Computer 31 A Flywheel signal sensor
Repair.
JSA051.0
INJECTION
Fault finding - Status and parameter interpretation17
D7F 710
engine -
35 tracks
AFTER REPAIRStart the status and parameter check again from the beginning.
DIAG 5
Fiche n° 27
TDC DETECTION
XR25 aid:Status BG 3LH, incorrect illumination
No fault bargraphs should be illuminated.
When the starter motor is activated.NOTES
Check the resistance of the TDC sensor.
Replace the sensor if necessary.
Check the sensor is correctly mounted.
Repair if necessary.
Check the condition of the target (if it has been removed).
Repair if necessary.
17-113