Other information:
Removal
1.
Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learning
with the GDS tool.
(Refer to 4WD Control System - "Repair procedures")
2.
Disconnect the battery negative cable from the battery ...
Troubleshooting
Symptoms
Suspect area
Remedy
Engine misfire with abnormal internal lower engine noises.
Worn crankshaft bearings
Loose or out of specification engine flywheel
Replace the crankshaft and ...