Check the fluid with the transmission temperature hot the vehicle on. Two things control aw4 shifting.
Aw4 Manual 1 Jeep Off Roading
Aw4 transmission wiring diagram. See test 4a 1 of 2 for wiring diagram. Make sure the transmission fluid is at the proper level. It is electronically controlled in the forward gears and has been used in numerous. 1998 01 the aw4 changed electrically but is otherwise the same as 19905 1997 units. Bought factory trans books and a factory wiring diagram book no help. Traced all wiring and everything seemed okay.
Verify that the aw4 transmission control unit is properly. A junkyard replacement lasted 2 3 weeks. Test 4a code 700 schematic. They recieved 456 axle ratios. A bit more info on the aw4 and doing this. A simple cut and splice will solve this problem.
G auto trans diagnosis 4 0l models w aw4 1993 jeep pdf. The aw4 and the 25l engine was a rare combination in the xj mj model jeeps as spec to build. C6 parts diagram wiring diagram pdf. Many of you know ive been running a manual gear selector switch with my aw4 since the original tcu quit years ago. 1 shift lever lever position controls tranny valves mechanically 2 transmission control unit tcu the shift lever makes a very positive move in control the only weak point being there is no separate position for 1 2 as they are combined. The aisin aw4 is a four speed automatic transmission used in some jeeps and as the a340 in various toyotas.
1997 the aw4 is exactly the same as the 19905 1996 units except the electrical connector for the wiring harness changed. Test 4a code 700 flow chart 2 of 2 92j13598. I ran the original tcu for about 4 6 months before it quit. The transmission case and internals were identical to the 40l version of the aw4 but the detachable bellhousing and torque converter were unique to the 25l i4 engine. 22ce77a understanding pro environmental behavior wiring pdf. 1999 montero sport limited 3 5l crawler build 4x4wire pdf.
Jeep aw4 transmission diagram free download wiring diagram pdf.