DR-16A Engine Coolant Temperature Sensor
Complete Driveability Test 1, Step N before proceeding.
This test must be performed with engine cold.
1. Connect diagnostic read-out tool to engine test connector.
2. Place system in Engine Running Test Mode 64.
3. If display on read-out tool is reading approximately ambient temperature plus or minus 10°s, proceed to Test 16 step B.
4. If display reading is not reading ambient temperature plus or minus 10°s, replace coolant sensor.