Diagnosis Procedure

SHIFT POSITION INDICATOR CIRCUIT


Description

TCM transmit the switch signals to unified meter and A/C amp. by CAN communication line. Then manual mode switch position is indicated on the shift position indicator.




SHIFT POSITION INDICATOR CIRCUIT


Diagnosis Procedure

1.CHECK INPUT SIGNALS
With CONSULT-III
1. Start the engine.
2. Select "SLCT LVR POSI" in "Data Monitor" in "TRANSMISSION" and read out the value.
3. Check the actual selector lever position ("P", "R", "N", "D" and "DS") and the indication of the shift position indicator mutually coincide. Refer to Pinout Values and Diagnostic Parameters.
4. Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the position mutually coincide when the selector lever is shifted to the "UP (+ side)" or "DOWN (- side)" side (1GR ⇔ 5GR).
Is the inspection result normal?
YES - INSPECTION END
NO-1 - The actual gear position does not change, or shifting into the manual mode is not possible (no gear shifting in the manual mode possible). Or the shift position indicator is not indicated.
- Check manual mode switch. Refer to P1815.
- Check A/T main system (Fail-safe function actuated).
- Perform "Self Diagnostic Results" in "TRANSMISSION". Refer to Testing and Inspection.
NO-2 - The actual gear position changes, but the shift position indicator is not indicated.
- Perform "Self Diagnostic Results" in "TRANSMISSION". Refer to Testing and Inspection.
NO-3 - The actual gear position and the indication on the shift position indicator do not coincide.
- Perform "Self Diagnostic Results" in "TRANSMISSION". Refer to Testing and Inspection.
NO-4 - Only a specific position or positions is/are not indicated on the shift position indicator.
- Replace the unified meter and A/C amp. Refer to Exploded View.