If CKP & CMP signals is not input to ECM, ECM doesn’t control ignition and injection. ECM doesn’t control base of the power TR which is operate ignition coil, fuel pump, injector. Engine stalling could be caused by poor connection of CKP & CMP When vehicle is being stopped. The purpose of inspection is checking power and ground circuit of CKP & CMP.

2.

Check the sensor fuse (10A) in the engine room fuse box.

A.

3.

Is the sensor fuse normal?

YES

Go to "CKP & CMP ground circuit inspection" procedure as below.

NO

Replace the fuse.

caution

■ Joint connector supplying power

6.

Check connection condition of the ground shaking the ground point.

7.

Is ground point of the CKP & CMP normal?

YES

Ground point is OK.

NO

Tighten the ground point again or Replace the harness.