Section 8 (Engine Controls - Basic Testing)
WARNING: This page is about a different car, the 1994 Mazda Navajo and 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Preliminary Inspection & Adjustments
- Fuel System
- Ignition Checks
- Notes
- Engine Controls - Basic Testing
- Initial Test
- Check Profile Ignition Pickup (PIP) At ICM
- Isolate ICM/PIP Fault
- Checking Plugs & Wires
- Check For VBAT To ICM
- Check For Ground Open To ICM
- Check VRS Resistance
- VRS Sensor
- Check VBAT For Open To Coil
- Verify Coil Operation
- Check C1, C2 & C3 At Coil Pack (Cranking)
- Check C1, C2 & C3 At Coil Pack (Running)
- Checking Coil Pack
- Checking ICM Control
- Idle Speed & Ignition Timing
- Summary