wiring RENAULT SCENIC 2009 J84 / 2.G Automatic Transmission AJ0 BVA Workshop Manual
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AUTOMATIC TRANSMISSION
Fault finding - Introduction
23A
23A-2V3 MR-372-J84-23A000$045.mif
123A
AJ0 BVA
Vdiag No.: 04, 05AUTOMATIC TRANSMISSION
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 document):
–Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring Diagrams:
–Visu-Schéma (CD-ROM)
Type of diagnostic tools:
–CLIP
Special tooling required:
3. REMINDERS
Procedure
To perform fault finding on the vehicle's computers, switch on the ignition in fault finding mode.
Proceed as follows:
–vehicle's card in reader;
–press and hold the Start button (longer than 5 seconds) with start-up conditions not fulfilled,
–connect the diagnostic tool and perform the required operations.
To cut off the + after ignition feed, proceed as follows:
–disconnect the diagnostic tool,
–press the Start button twice briefly (less than 3 seconds),
–ensure that the + after ignition feed has been cut off by checking that the computer indicator lights on the
instrument panel have gone out. Vehicle(s): SCENIC II ph2
Function concerned: Automatic transmissionName of computer: Automatic transmission
Vdiag No.: 04, 05
Special tooling required
Multimeter
Elé. 1681Universal bornier
AJ0_V04_PRELI/AJ0_V05_PRELI
MR-372-J84-23A000$045.mif
Page 5 of 162
AUTOMATIC TRANSMISSION
Fault finding - Introduction
23A
23A-5V3 MR-372-J84-23A000$045.mif
AJ0 BVA
Vdiag No.: 04, 05
4. FAULT FINDING PROCEDURE (continued)
Wiring check
Fault finding problems
Disconnecting the connectors and/or manipulating the wiring may temporarily remove the cause of a fault.
Electrical measurements of voltage, resistance and insulation are generally correct, especially if the fault is not
present when the analysis is made (stored fault).
Visual inspection
Look for damage under the bonnet and in the passenger compartment.
Carefully check the fuses, insulators and wiring harness routing.
Look for signs of oxidation.
Physical inspection
While manipulating the wiring, use the diagnostic tool to note any change in fault status from stored to present.
Make sure that the connectors are properly locked.
Apply light pressure to the connectors.
Twist the wiring harness.
If there is a change in status, try to locate the source of the fault.
Inspection of each component
Disconnect the connectors and check the appearance of the clips and tabs, as well as the crimping (no crimping on
the insulating section).
Make sure that the clips and tabs are properly locked in the sockets.
Check that no clips or tabs have been dislodged during connection.
Check the clip contact pressure using an appropriate model of tab.
Resistance check
Check the continuity of entire lines, then section by section.
Look for a short circuit to earth, to + 12 V or with another wire.
If a fault is detected, repair or replace the wiring harness.
Page 28 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 28V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
DF023
PRESENT
OR
STOREDGEARBOX OIL TEMPERATURE SENSOR CIRCUIT
1.DEF: Open circuit or short circuit
NOTESConditions for applying fault finding procedures to stored faults:
The fault is declared present after:
–in the event of open circuit or short circuit+:
–+ after ignition feed,
–oil temperature ≤ - 40 ˚C,
–vehicle speed > 6 mph (10 km/h).
–in the event of short circuit-:
–+ after ignition feed,
–oil temperature > 180 ˚C,
–vehicle speed > 6 mph (10 km/h).
–accelerator pedal > 12.5 % and engine speed > 305 rpm.
(detection time in the event of short circuit- is 10 minutes).
Effect on system:
–in the event of open circuit or short circuit+:
Gear change quality is reduced.
lock-up is inhibited.
–in the event of short circuit-:
The transmission operates as if the temperature had increased.
Customer complaint:
–in the event of open circuit or short circuit+:
If the fault occurs while driving, the transmission engages fixed 5th gear.
Restarting is in 3rd gear.
Gear change quality is reduced.
Fault warning light on
–in the event of short circuit-:
Fault warning light on
Use the Wiring Diagrams Technical Note, SCENIC II ph2.
Check that the coolant temperature (see 13B, Diesel injection, EDC16, CP33 M9R 721 Conformity check)
is ≥ - 40 ˚C (the transmission oil temperature sensor is within its operating range).
If the oil temperature ≤ - 40 ˚C, move on to step 1.
If the oil temperature is ≥ - 40 ˚C, deal with the fault; move on to step 2.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
AJ0_V04_DF023/AJ0_V05_DF023
MR-372-J84-23A000$405.mif
Page 29 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 29V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
DF023
CONTINUED 1
Step 1:
Start the vehicle, check that engine coolant temperature is ≥ 20 ˚C.
If the fault is stored, deal with the other faults displayed on the diagnostic tool. In the absence of faults, end of
fault finding.
If a fault is still present, deal with it, then move on to step 2.
Step 2:
Look for any damage to the harness and check the condition and connection of the automatic transmission
computer and automatic transmission connectors.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Disconnect the connector from component 119, measure the resistance of the oil temperature sensor
(on the connector of component 119) between the following connections:
●Connection code 5BZ,
●Connection code 5BY.
The resistance should be between:
–4.208 ± 0.42 kΩΩ Ω Ω
at 20 ˚C,
–1.947 ± 0.19 kΩΩ Ω Ω
at 40 ˚C,
–0.988 ± 0.09 kΩΩ Ω Ω
at 60 ˚C,
Is the resistance correct?
If YES, contact the Techline.
If NO, move on to step 3.
Stage 3:
Disconnect connector R22 and check continuity and insulation on the following connections:
●Connection code 5BZ,
●Connection code 5BY.
Between components 119 and R22.
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.
Are the continuity and insulation correct?
If YES, move on to step 4.
If NO, replace the external wiring harness on the automatic transmission.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
Page 30 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 30V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
DF023
CONTINUED 2
Stage 4:
Measure the resistance of the oil temperature sensor (on connector R22) between the following connections:
●Connection code 5BZ,
●Connection code 5BY.
The resistance should be between:
–4.208 ± 0.42 kΩΩ Ω Ω
at 20 ˚C,
–1.947 ± 0.19 kΩΩ Ω Ω
at 40 ˚C,
–0.988 ± 0.09 kΩΩ Ω Ω
at 60 ˚C,
Is the resistance correct?
If YES, and if the fault is still present, contact the Techline.
If NO, move on to step 5.
Stage 5:
Drain the automatic transmission (see, MR 370, Mechanical, 23A Automatic transmission, Oil change)
and remove the transmission housing (see, MR 370, Mechanical, 23A Automatic transmission, Hydraulic
distributor).
Measure the resistance of the transmission temperature sensor (on the connector of the internal wiring
harness on the transmission) between the following connections:
●Connection code 5BZ,
●Connection code 5BY.
The resistance should be between:
–4.208 ± 0.42 kΩΩ Ω Ω
at 20 ˚C,
–1.947 ± 0.19 kΩΩ Ω Ω
at 40 ˚C,
–0.988 ± 0.09 kΩΩ Ω Ω
at 60 ˚C,
Is the resistance correct?
If YES, move on to step 6.
If NO, replace the internal wiring harness on the automatic transmission.
Stage 6:
Measure the continuity and insulation of the following connections:
●Connection code 5BZ,
●Connection code 5BY.
Between components R22 and the internal connector in the transmission.
Are the continuity and insulation correct?
If YES, contact the Techline.
If NO, replace the wiring harness between connector R22 and the internal connector in the transmission.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
Page 31 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 31V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
DF038
PRESENT
OR
STOREDTURBINE SPEED SENSOR CIRCUIT
1.DEF: Open circuit or short circuit
NOTESConditions for applying fault finding procedures to stored faults:
The fault is declared present after:
–+ after ignition feed,
–with the engine running,
–vehicle speed > 24 mph (40 km/h),
–engine speed > 1500 rpm,
–turbine speed < 600 rpm and accelerator pedal > 0 %.
Effect on system:
Impossible to calculate gear.
Customer complaint:
Gear on which fault occurred is fixed. Restarting in fixed 3rd gear (no more gear
changes). Manual mode is inhibited. Fault warning light comes on.
Use the Wiring Diagrams Technical Note, SCENIC II ph2.
Look for any damage to the wiring harness, and check the condition and connection of the transmission
computer and the turbine speed sensor.
If the connection is 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 for + after ignition feed on connection AP4 of component 1060.
Is the + after ignition feed still present?
If YES, move on to step 1.
If NO, move on to step 2.
Step 1:
Check the continuity and insulation of the following connections:
●Connection code 5HN.
●Connection code 5DA.
Between components 119 and 1060.
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 the intermediate connector R22, if the fault is still present, replace component 1060.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
AJ0_V04_DF038/AJ0_V05_DF038
Page 32 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
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23A - 32V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
DF038
CONTINUED
Step 2:
Check the continuity and insulation of the following connection:
●Connection code AP4 between components 119 and 1337.
If the connection is 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 for + after ignition feed on connection AP4 of component 1337.
Is the + after ignition feed still present?
If YES, move on to step 1.
If NO (see 87G, Engine compartment connection unit).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
Page 33 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 33V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
If the fault is stored:DF067
PRESENT
OR
STORED
LEVER POSITION SWITCH CIRCUIT
1.DEF: Open circuit or short circuit
NOTESConditions for applying fault finding procedures to stored faults:
The fault is declared present after:
–in the event of open circuit or short circuit-:
–+ after ignition feed and change of lever position.
–in the event of short circuit+:
–+ after ignition feed, initial lever position: Position "P", "R", "N" or "D".
Effect on system:
The lever value is held at its previous valid position until the fault is confirmed. Then
the lever position becomes DRIVE (internal software variable) irrespective of the fault.
–If the fault is present and the lever in position "P", the transmission is in "N", hydraulic
neutral.
–If the fault is present and the lever in position "R", the transmission is in "R", hydraulic
reverse.
–If the fault is present and the lever in position "N", the transmission is in "N", hydraulic
neutral.
–If the fault is present and the lever in position "D", the transmission is in "D", hydraulic
forward gear.
lock-up is inhibited.
Customer complaint:
No lever position display on the instrument panel following fault confirmation and
starting impossible.
If the engine is already running when the fault occurs, there is jolting when shifting from
"P" or "N" to "R" or "D".
Fault warning light comes on.
Use the Wiring Diagrams Technical Note, SCENIC II ph2.
Note:
It is possible to produce this fault if the driver or operator voluntarily keep the lever between two normal positions
for longer than 2 seconds.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
AJ0_V04_DF067/AJ0_V05_DF067
Page 34 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 34V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
If the fault is present:DF067
CONTINUED 1
Check sensor operation:
Establish consistency between the position of contacts under the CLIP (ET012 "Gear lever position") and the
position displayed on the instrument panel.
Check the condition and setting of the control (see MR 370 Mechanical, 37A, Automatic gear controls,
Adjustment) and the mountings connecting the lever to the transmission.
If the fault remains stored, do not replace the sensor.
Look for any damage to the wiring harness, and check the condition and connection of the transmission
computer and multifunction switch connectors.
If there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Check for + after ignition feed on connection AP4 of component 779.
Is the + after ignition feed still present?
If YES, move on to step 1.
If NO, move on to step 3.
Step 1:
Disconnect the connector from component 119, check the insulation and continuity of the following connections
(on the connector of component 119):
Position of gear lever = P:
●Connection code 5DF.
●Connection code AP4
Position of gear lever = R:
●Connection code 5DG.
●Connection code AP4.
Position of gear lever = N:
●Connection code 5DH.
●Connection code AP4.
Position of gear lever = N:
●Connection code 5DJ.
●Connection code AP4.
If any of the 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.
If the continuity and insulation are correct, contact the Techline.
Are the continuity and insulation correct?
If YES, and if the fault is still present, contact the Techline.
If NO, check the intermediate connector R22 and move on to step 2.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.
Page 35 of 162
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of faults
23A
23A - 35V3 MR-372-J84-23A000$405.mif
AJ0 BVA
Vdiag No.: 04, 05
DF067
CONTINUED 2
Step 2:
If the continuity and insulation are not correct, disconnect the connector from component 779, check the
continuity and insulation of the following connections (on the connector of component 779):
Position of gear lever = P:
●Connection code 5DF.
●Connection code AP4.
Position of gear lever = R:
●Connection code 5DG.
●Connection code AP4.
Position of gear lever = N:
●Connection code 5DH.
●Connection code AP4.
Position of gear lever = N:
●Connection code 5DJ.
●Connection code AP4.
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.
Are the continuity and insulation correct?
If YES, replace the external wiring harness on the automatic transmission.
If NO, replace the multifunction switch.
If the fault is still present, contact the Techline.
Stage 3:
Check the continuity and insulation of the following connection:
●connection code AP4,
between components 119 and 1337.
If the connection is 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 for + after ignition feed on connection AP4 of component 1337.
Is the + after ignition feed still present?
If YES, move on to step 1.
If NO (see 87G, Engine Compartment Connection Unit).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by another
check with the diagnostic tool.