FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P1730


P1730 INTERLOCK





Description
Fail-safe function to detect interlock conditions.




DTC 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 input speed sensor malfunction.

DTC CONFIRMATION PROCEDURE

CAUTION:
- " SEE Diagnosis Procedure" 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 : 1st through 7th

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




Judgment of A/T Interlock
Fail Safe.




Diagnosis Procedure
1.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace damaged parts.
2.DETECT MALFUNCTIONING ITEM
Disassemble the A/T assembly to check component parts. Disassembly.
NOTE:
Check the component parts, referring to "Possible cause" in "DTC DETECTION LOGIC". SEE Description SEE DTC Logic SEE Judgment of A/T Interlock, "DTC Logic".
Is the inspection result normal?
YES - Replace control valve & TCM. Removal And Installation.
NO - Repair or replace damaged parts.