DR-18G Charge Temperature Sensor

This test must be performed with engine warm.

1. With diagnostic read-out tool connected to engine harness connector, start engine.
2. Place system in Engine Running Test Mode 63. Divide reading on display by ten for actual voltage.
3. If read-out shows between one and four volts, proceed to Test 19 for models with EGR, or Test 20 for models without EGR.

DR-19A EGR Vacuum From Throttle Body to EGR Valve

DR-20 Checking Secondary Ignition System

4. If read-out does not show between one and four volts, replace charge temperature sensor.