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MPI <4G9> – Troubleshooting 13C-90 Examples of Abnormal Wave Patterns D Example 1 Cause of problem Sensor interface malfunction Wave pattern characteristics Rectangular wave pattern is output even when the engine D Example 2 Cause of problem Loose timing belt Wave pattern characteristics Wave pattern is displaced to the left or right. INJECTOR Measurement Method 1. Disconnect the injector connector, and then connect the 2. Connect the analyzer special patterns pickup to terminal Alternate Method (Test harness not available) 1. Connect the analyzer special patterns pickup to 2. Connect the analyzer special patterns pickup to 3. Connect the analyzer special patterns pickup to 4. Connect the analyzer special patterns pickup to Analyzer |