Coolant Sensor #1 BRown-Black to E2 ECU #2 Green-bLue to THW ECU Knock Sensor. No, it wont work on *just* 4 wires. You only need a minimum of 4 wires going to the engine harness. obviously, a 22re takes more than 4 wires to run in total, but for a quick and easy route to EFI swap or plop one in to a buggy, the stock wiring harness that doesn.. 1986 toyota 22rte/re efi wiring diagram 1. 1986 toyota 22rte/re efi wiring diagram 2.. @ ox sensor ox vsv for fuel o pressure engine right 2 s ri (4 runner) right fender 806846 - 24 - c . br-b br-b b-. engine turbo (22r-te) a/c fuse. a/c pressure 1 n2 14 2 n2 (analog) (digital) idle-up vsv 18 el n2
While this information is based upon the AFM system in the 22R-E engine, most of it applies to other Toyota EFI engines. For specific information, be sure to consult the service manual for your model engine. On the 22RE engine, the AFM is located atop the air filter box. In a stock engine compartment, this is in the driver's side front corner.. There was an internal bulletin for Toyota factory technicians back in the mid 80's about a similar issue with 22RE engines. The issue was an internal programming problem with the ECU. Since the ECU advances the timing according to engine RPM, throttle position etc., sometimes it would freak out and give it too much TOTAL advance on accel and.