For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Inspect the fuel gauge. Does he fuel gauges indicate E? | -- | Go to Step 2 | Go to Step 3
2 |

1. Disconnect the fuel tank unit connector C313.
2. Turn the ignition switch to RUN.

Does the fuel gauge indicate E?

--

Go to Step 4

Go to Step 12

3 | Does the fuel gauge always read E? | -- | Go to Step 7 | Go to Step 5
4 | Inspect CKT 30 for a short to ground. Did you find and repair a condition? | -- | System OK | Go to Step 10
5 |

1. Disconnect the fuel tank unit connector C313.
2. Disconnect the 2 red leads of J33431 to terminal 3D (CKT 30) and terminal 3B (CKT 451).
3. Turn the ignition switch to RUN.
4. Set the resistance dials on the tester to 0 ohms (E) and then to 90 ohms (F).

Does the fuel gauge respond correctly?

--

Go to Step 12

Go to Step 8

6 | Inspect CKT 30 and CKT 451 for high resistance and inspect the fuel gauge connections at the back of the instrument panel. Did you find a condition? | -- | Go to Step 7 | Go to Step 12
7 |

1. Disconnect the fuel tank connector unit C313.
2. Connect a jumper from terminal 3D (CKT 30) to ground.
3. Turn the ignition switch to RUN.

Does the fuel gauge indicate E?

--

Go to Step 8

Go to Step 9

8 | Connect a jumper between terminals 3D (CKT 30) and 3B (CKT 451) of the fuel tank unit connector C313. Does the fuel gauge indicate E? | -- | Go to Step 11 | Go to Step 12
9 | Inspect CKT 30 for an open. Did you find and repair a condition? | -- | System OK | Go to Step 10
10 | Replace the instrument cluster. Refer to Instrument Cluster Replacement. Is the repair complete? | -- | System OK | --
11 | Repair the open in CKT 451. Is the repair complete? | -- | System OK | --
12 | Replace the fuel tank unit. Is the repair complete? | -- | System OK | --