Timing Advance System
WARNING: This page is about a different car, the 2000 Infiniti Q45 and 2000 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
ECM controls ignition timing advance based upon sensor input signals that reflect ignition timing needs. If timing problems are experienced, inspect input signals listed below for proper operation. To check input signals, see ENGINE SENSORS & SWITCHES or ECM pin voltage charts in PIN VOLTAGE CHARTS article.
- Battery Voltage
- Camshaft Position (CMP) Sensor
- Mass Airflow Sensor
- Engine Coolant Temperature
- Ignition (START) Signal
- Knock Sensor
- Park/Neutral Switch
- Power Steering Pressure Switch
- Throttle Position Sensor
- Vehicle Speed Sensor
- Secondary Throttle Position Sensor (Q45 only)