7AT RE7R01A

P1730 INTERLOCK





Description
Fail-safe function to detect interlock conditions.




DTC Logic

DTC DETECTION LOGIC

DTC DETECTION LOGIC:

NOTE:
When the vehicle is driven fixed in 2GR, a input speed sensor malfunction is displayed, but this is not a turbine revolution sensor malfunction.

DTC CONFIRMATION PROCEDURE

CAUTION:
- " 7AT RE7R01A" must be performed before starting "DTC CONFIRMATION PROCEDURE".
- Never perform "DTC CONFIRMATION PROCEDURE" before completing the repair, which may cause secondary malfunction.
- Always drive vehicle at a safe speed.
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-III
1. Start the engine.
2. Select "SLCT LVR POSI" and "GEAR" in "Data Monitor" in "TRANSMISSION".
3. Drive vehicle the following condition.

SLCT LVR POSI : D
GEAR : 1 through 7

4. Perform "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT-III".
Is "P1730" detected?
YES - Go to 7AT RE7R01A.
NO - INSPECTION END




Judgment of Interlock
Refer to Fail-Safe.




Diagnosis Procedure
1.CHECK INTERMITTENT INCIDENT
Refer to How to Perform Efficient Diagnosis For an Electrical Incident.
Is the inspection result normal?
YES - Replace A/T assembly. Refer to Exploded View.
NO - Repair or replace damaged parts.