VRS Sensor
WARNING: This page is about a different car, the 1994 Mazda B3000 and 1994 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
Ensure trigger wheel on crank pulley and VRS are not damaged. Ensure VRS is not touching trigger wheel. If no problems are found, disconnect ICM connector. Crank engine and check for slight A/C voltage at ICM harness terminals No. 5 and 6. If A/C voltage is not pulsing greater than one volt, check VRS circuits for opens or shorts If no problems are found, replace VRS sensor. If A/C voltage pulses greater than one volt, go to CHECK VBAT OPEN TO COIL.