P0850

DTC P0850 PNP SWITCH

Component Description
When the shift lever position is P or N (CVT), Neutral (M/T), park/neutral position (PNP) switch is ON. ECM detects the position because the continuity of the line (the ON signal) exists.

CONSULT-III Reference Value in Data Monitor Mode

On Board Diagnosis Logic

DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

WITH CONSULT-III
1. Turn ignition switch ON.

2. Select "P/N POSI SW" in "DATA MONITOR" mode with CONSULT-III. Then check the "P/N POSI SW" signal under the following conditions.
If NG, go to "Diagnostic Procedure" below.
If OK, go to following step.

3. Select "DATA MONITOR" mode with CONSULT-III.
4. Start engine and warm it up to normal operating temperature.

5. Maintain the given conditions for at least 60 consecutive seconds.
6. Check 1st trip DTC.
7. If 1st trip DTC is detected, go to "Diagnostic Procedure" below.

Overall Function Check
Use this procedure to check the overall function of the park/neutral position (PNP) switch circuit. During this check, a 1st trip DTC might not be confirmed.

WITH GST
1. Turn ignition switch ON.

2. Check voltage between ECM terminal 69 (PNP switch signal) and ground under the given conditions.
3. If NG, go to "Diagnostic Procedure" below.

EC-PNP/SW-01:

Wiring Diagram

Diagnostic Procedure

M/T MODELS

Step 1-3:

Step 4-5:

CVT MODELS