Toyota 1 MZ–FE Manual page 563

DIAGNOSTIC CHART
Check park/neutral position switch.
Check voltage between terminal NSW of ECM
connector and body ground.
Check for open and short in harness and connector between
ECM and park/neutral position switch.
WIRING DIAGRAM
1MZ–FE ENGINE – CIRCUIT INSPECTION
Replace park/neutral position switch.
Check and replace ECM.
EG2–563