The odometer display is entered anytime the ODO/TRIP button is pressed or upon battery reconnect. However, the odometer display is a low priority display and will not interrupt more critical information.

If the RESET button is pressed while the Odometer Message # 1 is displayed the Trip 1 odometer will reset to zero. If the RESET button is pressed while the Odometer Message # 2 is displayed the Trip 2 odometer will reset.

IF the season odometer fails the DIC will display ERROR where the season odometer values are normally placed.

Fuel information provides data received from the PCM on fuel performance for the driver. In this mode the driver can retrieve Average Fuel Economy, Instantaneous Fuel Economy, and Fuel Range. The Fuel Information displays are accessed by scrolling through the vehicle data information using the Mode button. Once the vehicle data is reached the driver must use the Select button to scroll through the fuel information.

Average Fuel Economy and Fuel Range information is stored in non-volatile (KAM) memory when the ignition is turned off. Instantaneous Fuel Economy information is stored in volatile memory when the ignition is turned off.

Fuel calculations are made by the IPC at all times Independent of the current DIC display mode. Separate data accumulators are maintained for each fuel display such that if the data values for one display are reset the data values for another are not affected.

If the RESET button is pressed while viewing any of the Fuel Information displays it will be reset to zero.

Gage Information provides selected information to the driver. The Gage Information displays are accessed by scrolling through the vehicle data information using the Mode button. Once the vehicle data is reached the driver must use the Select button to scroll through the gage information. This mode has three different elements: Oil Life Index, Battery Volts, and Tire Pressure Status.

Gage information is not stored by the IPC when the ignition is turned off. Gage information is determined from values received from class 2 serial data. The IPC is required to process all irrelevant gage data at all times regardless of the current display mode of the DIC. The DIC will display (---) where the data values are normally placed if the IPC determines that the source of gage information for that element has failed.

The following paragraphs provide detailed information for each of the five Gage Information modes:

Battery Volts

The DIC displays the electrical system voltage as measured by the DIM. The DIM processes the information and sends a class 2 message to the IPC. If the IPC determines there is a SOH failure with the DIM, the IPC will use the discrete battery input as valid data and perform the same as if the IPC received the class 2 message. If the battery voltage from the DIM is below 9.5 volts, the DIC will display the word LOW preceding the voltage value. If the battery voltage from the DIM is above 16 volts, the DIC will display the word HIGH preceding the voltage value. If the battery voltage from the DIM is equal to or between 9.5 volts and 16 volts, the DIC will display the voltage value.

Oil Life Index

The DIC displays Oil Life Index as calculated by the PCM. Oil Life Index describes the estimated percentage oil life remaining. When the Oil Life Index drops to 10 percent, a Change Oil message is displayed. The PCM processes the information and sends a class 2 message to the IPC. The DIC will display NORMAL if the Change Oil Soon or Change Oil Now message from the PCM is not active. Once the Change Oil Soon or Change Oil Now Message is received from the PCM, the DIC will indicate CHANGE or CHANGE NOW until the Oil Life Index is reset. If the RESET button is pressed and held for more than 5 seconds while this message is displayed, the Oil Life Index is reset to 100 percent. The status of the Oil Life Index is stored in KAM when the ignition is turned off.

Tire Pressure Status

This display indicates the inflation status of the tires. The EBTCM processes the tire pressure information and sends a class 2 message to the IPC. When a low tire pressure condition has been detected by the EBTCM the DIC will display the status as TIRE PRESSURE LOW. The DIC message displayed does not indicate which tire has low pressure or the actual value. The IPC will send a class 2 message to the EBTCM to reset the value if the DIC Reset button is pressed. The EBTCM verifies a reset has been received by sending a new message to the IPC. The driver should see the tire status showing TIRE PRESSURE NORMAL on the DIC.