For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: The tire pressure monitor reset switch is inoperative.
1 | Did you perform the TPM Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Tire Pressure Monitoring
2 |

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the TIM Reset Switch parameter in the Chassis data display list.
4. Press the tire pressure monitor reset switch.

Does the scan tool display On when the switch is pressed?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3 |

1. Turn OFF the ignition.
2. Disconnect the oil life/TIM reset switch.
3. Connect a 3 amp fused jumper wire between the tire pressure monitor reset signal circuit of the reset switch and a good ground.
4. Turn ON the ignition, with the engine OFF.
5. With a scan tool, observe the TIM Reset Switch parameter.

Does the scan tool display On?

Go to Step 6

Go to Step 4

4 | Test the tire pressure monitor reset signal circuit of the reset switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 5
5 | Test the ground circuit of the TIM reset switch for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 7
6 | Inspect for poor connections at the harness connector of the TIM reset switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 8
7 | Inspect for poor connections at the harness connector of the instrument cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9
8 | Replace the TIM reset switch. Refer to oil life/TIM Reset Switch Replacement (if equipped) in Instrument Panel, Gages and Console. Did you complete the replacement? | Go to Step 10 | --
9 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console. Did you complete the replacement? | Go to Step 10 | --
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2