Electronic Idle Speed Control Test

Test Data:

Special Tools:

Equipment
- Multimeter -- e.g. SUN DMM-5
- Engine analyzer -- SUN EMT-1019/Master 3 or MCM-2110, All-Test 3610-MB

NOTE: The idle speed control is independent of the air flow sensor position indicator. Run engine at operating temperature, selector lever in position "P" or "N", A/C compressor turned off and air intake system tight. Idle speed contact, coolant temperature sensor and EGR system is functioning properly.

Test Page 1:

1) At altitudes above 2,000 m, the current draw can fall below 700 mA.

Fig. 1:

Component Locations:

Test Page 2:

Fig. 2:

Test Page 3: