J: Low Coolant Indicator Does Not Light
1 Of 2:
2 Of 2:
1. Put the Ignition Switch in RUN and observe the LOW COOLANT Indicator.
^ If the Indicator is on, go to Test 3 (Table 1, illustration).
^ If the Indicator is not on, go to Step 2.
2. With the Ignition Switch in RUN measure the voltage at C100, terminal D3 (Connected).
^ If battery voltage voltage is not measured check the YEL/BLK 68 (wire) and bulb for an open. If OK. replace the Instrument Cluster.
^ If battery voltage is present check the YEL/BLK (68) wire between C100 and the ECM for an open. If OK, replace the ECM.