P0705

DTC P0705 PARK/NEUTRAL POSITION SWITCH

Description
^ The park/neutral position (PNP) switch includes a transmission position switch.
^ The transmission range switch detects the selector lever position and sends a signal to the TCM.





CONSULT-II Reference Value

On Board Diagnosis Logic
^ This is an OBD-II self-diagnostic item.
^ Diagnostic trouble code "PNP SW/CIRC" with CONSULT-II or P0705 without CONSULT-II is detected under the following conditions.
- When TCM does not receive the correct voltage signal from the PNP switch 1, 2, 3, 4 based on the gear position.
- When no other position but "P" position is detected from "N" positions.

Possible Cause
^ Harness or connectors
[The park/neutral position (PNP) switch 1, 2, 3, 4 and TCM circuit is open or shorted.]
^ Park/neutral position (PNP) switch 1, 2, 3, 4

DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.

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

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)





2. Select "DATA MONITOR" mode for "ENGINE" with CONSULT-II.
3. Start engine.
4. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
THRTL POS SEN: More than 1.2 Volts
5. If DTC is detected, go to "Diagnostic Procedure".

WITH GST
Follow the procedure "With CONSULT-II".

Diagnostic Procedure





1. CHECK PNP SW CIRCUIT (WITH CONSULT-II)
With CONSULT-II
1. Turn ignition switch "ON". (Do not start engine.)
2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out "N-P", "R" and "D" position switches moving selector lever to each position.

OK or NG
OK >> GO TO 4.
NG >> GO TO 2.

2. CHECK TCM
Perform TCM input/output signal inspection.

OK or NG
OK >> GO TO 4.
NG >> GO TO 3.

3. DETECT MALFUNCTIONING ITEM
Check the following items:
^ Power supply and ground circuit for TCM.
^ A/T assembly harness connector pin terminals for damage or loose connection with harness connector.

OK or NG
OK >> Replace the transmission assembly.
NG >> Repair or replace damaged parts.

4. CHECK DTC
Perform DTC Confirmation Procedure.

OK or NG
OK >> INSPECTION END
NG >> GO TO 2.