Step | Action | Values | Yes | No |
|---|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics . | ||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | |
2 |
Does the transmission fluid temperature gage display that the fluid temperature is within the normal operating range? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Does the test light illuminate? | -- | Go to Step 4 | Go to Step 12 |
4 | Connect a test lamp between the ignition 1 voltage circuit of the transmission fluid temperature gage and the ground circuit of the transmission fluid temperature gage. Does the test light illuminate? | -- | Go to Step 5 | Go to Step 13 |
5 |
Does the transmission fluid temperature gage display at or below the specified value? | 40°C (104°F) | Go to Step 6 | Go to Step 7 |
6 |
Does the transmission fluid temperature gage display at or above the specified value? | 120°C (248°F) | Go to Step 10 | Go to Step 8 |
7 | Test the signal circuit of the automatic transmission fluid temperature sensor for a short to ground. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 11 |
8 | Test the signal circuit of the automatic transmission fluid temperature sensor for an open, for a short to voltage, or for a high resistance. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 9 |
9 | Test the ground circuit of the automatic transmission fluid temperature sensor for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 11 |
10 | Inspect for poor connections at the harness connector of the automatic transmission fluid temperature sensor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 15 |
11 | Inspect for poor connections at the harness connector of the automatic transmission fluid temperature gage. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | -- | Go to Step 16 | Go to Step 14 |
12 | Repair the open or the high resistance in the ignition 1 voltage circuit of the transmission fluid temperature gage. Refer to Circuit Testing and to Wiring Repairs . Did you complete the repair? | -- | Go to Step 16 | -- |
13 | Repair the open or the high resistance in the ground circuit of the transmission fluid temperature gage. Refer to Circuit Testing and to Wiring Repairs . Did you complete the repair? | -- | Go to Step 16 | -- |
14 | Replace the transmission fluid temperature gage. Did you complete the replacement? | -- | Go to Step 16 | -- |
15 | Replace the automatic transmission fluid temperature sensor. Did you complete the replacement? | -- | Go to Step 16 | -- |
16 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
