Code No. P071B: Malfunction of Ds Position Switch (Stuck ON)
Code No. P071C: Malfunction of Ds Position Switch (Stuck OFF)

DIAGNOSTIC FUNCTION

Code No. P071B: The CVT-ECU detects that the Ds position switch is stuck to ON.
Code No. P071C: The CVT-ECU detects that the Ds position switch is stuck to OFF.

JUDGEMENT CRITERIA

Code No. P071B: The Ds position switch remains ON for five seconds when the inhibitor switch is at "P", "R", or "N".
Code No. P071C: The Ds position switch remains OFF for five seconds when the inhibitor switch is at "L".

PROBABLE CAUSES

Malfunction of selector lever assembly (Ds position switch)
Damaged wiring harness and connectors
Malfunction of CVT-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III data list.

Item 55: Ds position switch

OK: Turns ON when the selector lever is at "Ds" or "L".

Q. Is the check result normal?

	Intermittent malfunction

	Go to Step 2.

STEP 2. Ds position switch single unit check.

Q. Is the check result normal?

	Go to Step 3.

	Replace the selector lever assembly.

STEP 3. Check for short to earth in INHS line between the CVT-ECU connector and the Ds position switch connector.

Q. Is the check result normal?

	Go to Step 4.

	Repair the connector(s) or wiring harness.

STEP 4. Check for open circuit in earth line between the Ds position switch connector and body earth.

Q. Is the check result normal?

	Go to Step 5.

	Repair the connector(s) or wiring harness.

STEP 5. Symptom recheck after erasing diagnosis code.

Q. Is the diagnosis code stored?

	Replace the CVT-ECU.

	Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunctions).