Engine Coolant Temperature Indicator Inoperative Pontiac
Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | |||||
2 |
Connect 1 red clip lead of the J 33431-C to ground. Does the coolant temperature gauge indicate minimum, midscale and maximum temperature? | -- | Go to Step 7 | Go to Step 3 | ||||
3 | Inspect 1 of the following circuits for an open or a short to ground:
Was a problem found? | -- | Go to Step 9 | Go to Step 4 | ||||
4 | Inspect connector C101 cavity B3 for proper terminal contact. Was a poor connection found? | -- | Go to Step 10 | Go to Step 5 | ||||
5 | Inspect connector C200 cavity A8 for proper terminal contact. Was a poor connection found? | -- | Go to Step 11 | Go to Step 6 | ||||
6 | Inspect 1 of the following instrument cluster terminals for proper terminal contact:
Was a poor connection found? | -- | Go to Step 12 | Go to Step 13 | ||||
7 | Inspect the ECT sensor connector for proper terminal contact. Was a poor connection found? | -- | Go to Step 14 | Go to Step 8 | ||||
8 | Test for an open or high resistance at the ECT ground. Does the resistance measure near the specified value? | ∞ | Go to Step 14 | -- | ||||
9 | Repair 1 of the following circuits for an open or a short to ground:
Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | -- | |||||
10 | Repair connector C101 cavity B3 terminal. Refer to Terminal Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |||||
11 | Repair connector C200 cavity A8 terminal. Refer to Terminal Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |||||
12 | Repair the instrument cluster connector terminal cavity A9 (UB3 only) or cavity A11 (U50/U2F only). Refer to Terminal Repairs in Wiring Systems. Did you complete the repair? | -- | -- | |||||
13 | Replace the instrument cluster. Refer to IP Cluster Replacement in Instrument Panel, Gauges, and Console. Is the replacement complete? | -- | -- | |||||
14 | Replace the engine coolant temperature sensor. Refer to Engine Coolant Temperature Sensor Replacement in Engine Controls. Is the replacement complete? | -- | -- |
Engine Coolant Temperature Indicator Inoperative Buick
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Instrument Cluster System Check? | -- | Go to Step 2 | |
2 |
Connect 1 red clip lead to ground. | -- | Go to Step 7 | Go to Step 3 |
3 | Inspect CKT 36 (LT GRN) for an open or a short to ground. Was a problem found with CKT 36? | -- | Go to Step 8 | Go to Step 4 |
4 | Inspect connector C200 for proper terminal contact at terminal A8. Was a poor connection found? | -- | Go to Step 9 | Go to Step 5 |
5 | Inspect connector C101 for proper terminal contact at terminal B3. Was a poor connection found? | Go to Step 10 | Go to Step 6 | |
6 | Inspect the instrument cluster connector for proper terminal contact at terminal B11. Was a poor connection found? | Go to Step 11 | Go to Step 12 | |
7 | Was a poor connection found? | Go to Step 13 | Go to Step 14 | |
8 | Repair CKT 36 (LT GRN) for an open or a short to ground. Refer to Repairing Damaged Wire Insulation in Wiring Systems. Is the repair complete? | -- | -- | |
9 | Repair connector C200 terminal cavity A8. Refer to Terminal Repair in Wiring Systems. Is the repair complete? | -- | -- | |
10 | Repair connector C101 terminal cavity B3. Refer to Terminal Repair in Wiring Systems. Is the repair complete? | -- | -- | |
11 | Repair the instrument cluster terminal cavity B11. Refer to Terminal Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
12 | Replace the instrument cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gauges, and Console. Is the replacement complete? | -- | -- | |
13 | Repair the engine coolant temperature (ECT) sensor connector terminal. Refer to Terminal Repair in Wiring Systems. Is the repair complete? | -- | -- | |
14 | Replace the engine coolant temperature sensor. Refer to Engine Coolant Temperature Sensor Replacement in Engine Controls. Is the replacement complete? | -- | -- |
