AT1–81 AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING Park Neutral Position Switch Circuit CIRCUIT DESCRIPTION The park/neutral position switch detects the shift lever position and sends signals to ECM. The ECM receives signals (NSW, 2 and L) from the park/neutral position switch. When the signal is not sent to the ECM from the park/neutral position switch, the ECM judges that the shift lever is in the D position. WIRING DIAGRAM Combination Meter L 2 11 G-B 8 LG-R 27 II1 17 II1 Park/Neutral Position Switch 3 G-B G-B LG-R ECM 10 L E10 J/B No.1 5 10 A GAUGE 12 1J 1E Y 23 Y >>II1 4 9 2 E10 2 LG-R B-Y B+ Ignition Switch 4 B B-W J/B No.1 6 7.5 A ST 4 1J 1K B 13 >>U2 B-W 76 NSW E9 G04352