CVT RE0F09B TCM

P1701 TCM

Description

When the power supply to the TCM is cut OFF, for example because the battery is removed, and the self-diagnosis memory function stops, malfunction is detected.
NOTE:
Since "P1701" will be indicated when replacing TCM, perform diagnosis after erasing "SELF-DIAG RESULTS"


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE

NOTE:
If "DTC CONFIRMATION PROCEDURE" has been previously performed, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON.
2.Wait for at least 2 consecutive seconds.
3.Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION".
Is "P1701" detected?
YES- Go to "Diagnosis Procedure".
NO- Check intermittent incident. Intermittent Incident.


Diagnosis Procedure


1. CHECK TCM POWER SOURCE






1.Turn ignition switch OFF.
2.Disconnect TCM harness connector.
3.Turn ignition switch ON.
4.Check voltage between TCM harness connector F16 terminal
46, 48, 45, 47 and 5, 42.





Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 2.

2. CHECK TCM GROUND CIRCUIT






1.Turn ignition switch OFF.
2.Check continuity between TCM harness connector F16 terminal
5, 42 and ground.






Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace damaged parts.

3. CHECK TCM POWER CIRCUIT






1.Turn ignition switch ON.
2.Check voltage between TCM harness connector F16 terminal
46, 48, 45, 47 and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 4.

4. CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 1)






1.Turn ignition switch OFF.
2.Disconnect IPDM E/R harness connector F10.
3.Check continuity between TCM harness connector F16 (A) terminal 46, 48 and IPDM E/R harness connector F10 (B) terminal
58.










4.Disconnect fuse block J/B harness connector E6.
5.Check continuity between TCM harness connector F16 terminal
45, 47 and fuse block J/B harness connector E6 terminal 12P.





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

5. CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 2)






Check continuity between TCM harness connector F16 terminal 45, 46, 47, 48 and ground.





Is the inspection result normal?
YES-Check the following. If NG, repair or replace damaged parts.
- 10A fuse (No. 34, located in IPDM E/R)
- 10A fuse (No. 11, located in fuse block)
- Ignition switch. Coupe (coupe) or Sedan (sedan).
NO- Repair or replace damaged parts.

6. DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- Replace TCM. Exploded View.
NO- Repair or replace damaged parts.