Instrument Cluster Test 8A - Coolant Temperature Light
NOTE:
Perform INSTRUMENT CLUSTER TEST 4A before proceeding with this test. For connector terminal identification and wiring diagrams, see CONNECTOR IDENTIFICATION section in this article. Perform VERIFICATION TEST VER-1A after each repair.
CAUTION:
Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
- Turn ignition switch from OFF position to ON/RUN position. If coolant temperature light comes on, go to next step. If coolant temperature light does not come on, go to step 3).
- Using scan tool, select LIMP-IN MONITOR under body monitors and read ECT SENSOR LIMP-IN status. If scan tool reads ECT SENSOR LIMP-IN: YES, see appropriate articles;
- For Breeze see TESTS W/CODES - 2.0L
- For Cirrus 2.4L see TESTS W/CODES - 2.4L
- For Cirrus 2.5L see TESTS W/CODES - 2.5L
- For Stratus 2.0L see TESTS W/CODES - 2.0L ,
- For Stratus 2.4L see TESTS W/CODES - 2.4L ,
- For Stratus 2.5L see TESTS W/CODES - 2.5L . If scan tool does not read YES and coolant temperature light does not stay on, light is operating properly. If coolant temperature light stays on, repair or replace Mechanical Instrument Cluster (MIC).
- Turn ignition switch to UNLOCK position. Using scan tool, actuate ALL LAMPS. If coolant temperature light illuminates, light is operating properly. If coolant temperature light does not illuminate, go to next step.
- Turn ignition off. Disconnect instrument cluster and ensure connectors are clean and not damaged. Remove and inspect coolant temperature bulb. See Fig 1 . If bulb is okay, go to next step. If bulb is defective, replace bulb.
- Inspect instrument cluster and ensure bulb socket is clean and not damaged. If instrument cluster is okay, replace BCM. If instrument cluster is defective, repair or replace as necessary.