P1815

P1815 M-MODE SWITCH

DTC Logic


DTC DETECTION LOGIC






*: With paddle shifter

DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.
- GO TO 2.

2. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON.
2.Select "SLCT LVR POSI" and "MANU MODE SW" in "Data Monitor" in "TRANSMISSION".
3.Maintain the following each conditions more than 60 seconds.





4.Perform "Self Diagnostic Results" in "TRANSMISSION".
Is "P1815" detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK INPUT SIGNAL

With CONSULT
1.Turn ignition switch ON.
2.Select "MANU MODE SW", "NON M MODE SW", "UP SW LEVER", "DOWN SW LEVER", "SFT UP ST
SW"* and "SFT DWN ST SW"* in "Data Monitor" in "TRANSMISSION".
*: With paddle shifter
3.Check the ON/OFF operations of each monitor item.





*: With paddle shifter
Without CONSULT
Drive the vehicle in the manual mode, and then check that the indication of the shift position indicator matches with the actual gear position.
1.Shift the selector lever to UP side, and then accelerate from 1GR to 7GR.
2.Shift the selector lever to DOWN side, and then decelerate from 7GR to 1GR.
3.*Shift the paddle shifter to UP side, and then accelerate from 1GR to 7GR.
4.*Shift the paddle shifter to DOWN side, and then decelerate from 7GR to 1GR.
*: With paddle shifter
Which item is abnormal?
Manual mode switch-GO TO 2.
Paddle shifter-GO TO 7.

2. CHECK MANUAL MODE SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect A/T shift selector connector.
3.Turn ignition switch ON.
4.Check voltage between A/T shift selector vehicle side harness connector terminals.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 4.

3. CHECK MANUAL MODE SWITCH

1.Turn ignition switch OFF.
2.Check manual mode switch. .
Is the inspection result normal?
YES- GO TO 12.
NO- Repair or replace damaged parts.

4. CHECK GROUND CIRCUIT (MANUAL MODE SWITCH CIRCUIT)

1.Turn ignition switch OFF.
2.Check continuity between A/T shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace damaged parts.

5. CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND COMBINATION METER (PART 1)

1.Disconnect combination meter connector.
2.Check continuity between A/T shift selector vehicle side harness connector terminals and combination meter vehicle side harness connector terminals.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace damaged parts.

6. CHECK HARNESS BETWEEN A/T SHIFT SELECTOR AND COMBINATION METER (PART 2)

Check continuity between A/T shift selector vehicle side harness connector terminals and ground.





Is the inspection result normal?
YES- GO TO 12.
NO- Repair or replace damaged parts.

7. CHECK PADDLE SHIFTER CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect paddle shifter connectors.
3.Turn ignition switch ON.
4.Check voltage between paddle shifter vehicle side harness connector terminals.





Is the inspection result normal?
YES- GO TO 8.
NO- GO TO 9.

8. CHECK PADDLE SHIFTER

1.Turn ignition switch OFF.
2.Check paddle shifter. , .
Is the inspection result normal?
YES- GO TO 12.
NO- Replace damaged parts.

9. CHECK GROUND CIRCUIT (PADDLE SHIFTER CIRCUIT)

1.Turn ignition switch OFF.
2.Check continuity between paddle shifter vehicle side harness connector terminals and ground.





Is the inspection result normal?
YES- GO TO 10.
NO- Repair or replace damaged parts.

10. CHECK HARNESS BETWEEN PADDLE SHIFTER AND COMBINATION METER (PART 1)

1.Disconnect combination meter connector.
2.Check continuity between paddle shifter vehicle side harness connector terminals and combination meter vehicle side harness connector terminals.





Is the inspection result normal?
YES- GO TO 11.
NO- Repair or replace damaged parts.

11. CHECK HARNESS BETWEEN PADDLE SHIFTER AND COMBINATION METER (PART 2)

Check continuity between paddle shifter vehicle side harness connector terminals and ground.





Is the inspection result normal?
YES- GO TO 12.
NO- Repair or replace damaged parts.

12. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- GO TO 13.
NO- Repair or replace damaged parts.

13. CHECK COMBINATION METER

1.Reconnect all the connectors.
2.Turn ignition switch ON.
3.Select "M RANGE SW", "NM RANGE SW", "AT SFT UP SW", "AT SFT DWN SW", "ST SFT UP SW"* and
"ST SFT DWN SW"* in "Data Monitor" in "METER/M&A".
*: With paddle shifter
4.Check the ON/OFF operations of each monitor item. Reference Value.
Is the inspection result normal?
YES- Replace A/T assembly. Exploded View [VQ-37VHR (2WD)], Exploded View [VQ-37VHR (AWD)], {LINK_TO_MANY:0000000006884155}{LINK_TO_MANY:0000000006884156}, "VK-56VD (2WD) :
Exploded View" [VK-56VD (2WD)] or Exploded View [VK-56VD
(AWD)].
NO- Replace combination meter. Exploded View.


Component Inspection (Manual Mode Switch)


1. CHECK MANUAL MODE SWITCH

Check continuity between A/T shift selector connector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Repair or replace damaged parts. A/T Shift Selector.


Component Inspection [Paddle Shifter (Shift-up)]


1. CHECK PADDLE SHIFTER (SHIFT-UP)

Check continuity between paddle shifter (shift-up) connector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace paddle shifter (shift-up). Exploded View.


Component Inspection [Paddle Shifter (Shift-down)]


1. CHECK PADDLE SHIFTER (SHIFT-DOWN)

Check continuity between paddle shifter (shift-down) connector terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace paddle shifter (shift-down). Exploded View.