IPC Input Displays

IPC Input Displays are those inputs which can be represented with a single bit of information. These system signals are represented by a HIGH/LOW designation, HIGH begin equal to a digital "1" and LOW being equal to a digital "0." The IPC Input displays may only be viewed using the service diagnostics.

IPI01 Displays the state of the trunk release switch input to the IPC at Connector C1 "D10." Normal state is high. When switch is actuated this level goes low.
IPI02 The WASHER FLUID LEVEL SWITCH display is "LOW" when the vehicle is low on washer fluid or input is shorted to ground.
IPI03 The ALTERNATOR L-Terminal input will display "LOW" when the ALTERNATOR is not charging. This may be due to the engine not turning or an Alternator Problem. In addition, if ignition 1 to the IPC is not available, this input will be low.
IPI04 The CATALYTIC CONVERTER display is "HIGH" when there is an over temperature condition.
IPI05 The KEY IN IGNITION display is "LOW" when the key is in the ignition and the switch position is ACCY, LOCK or UNLOCK. This input will Always be "HIGH" in RUN" or "CRANK." Use a scan tool to verify switch operation.
IPI06 Starter relay diagnostics are not performed, but will show up in service diagnostics. Disregard IPI06.
IPI07 The HIGH BEAM/FLASH TO PASS display is "HIGH" when the switch is "ON" (switch Closed).
IPI08 The WIPER "A" display will be high whenever the wiper switch is NOT in the OFF position.
IPI09 The COOLANT LEVEL SWITCH display will be low when the fluid level is acceptable. Due to a heavy filtering Algorithm, this input may toggle to high without a "Check Coolant Level" message on the DIC.
IPI10 The FAST IDLE will display "LOW" when the heated windshield module is ON.
IPI12 The INTERIOR LAMPS display is "LOW" when the interior lamps switch is Closed on the headlamp switch.
IPI13 The HEADLAMP LOW BEAM display is "LOW" when the headlamp switch is Closed or when the low beams are "ON" due to automatic feature (e.g. Twilight sentinel, wiper activated headlamps).
IPI14 The PARKLAMPS display is "LOW" when the parklamps switch is Closed.
IPI15 The FRONT FOG LAMP display is "LOW" when the front fog lamp switch is Closed.
IPI16 The REAR FOG LAMP display is "LOW" when the rear fog lamp switch is Closed. Note: export only.
IPI17 The TWILIGHT ENABLE display is "HIGH" when the twilight enable switch is NOT in the OFF position. It will be low in the OFF position.
IPI18 The FUEL DOOR RELEASE display is "LOW" when the fuel door switch is Closed.
IPI19 The DRIVER INFO display is "LOW". when the "INFO" switch is Closed. This only applies to vehicles equipped with the analog IPC.
IPI20 The TRIP RESET display is "LOW" when the "TRIP RESET" switch is depressed Closed. This only applies to vehicles equipped with the analog IPC.
IPI21 The RESET display is low when the "INF9 RESET" switch is Closed. Note: Pressing this button while in on-board diagnostics, will force the vehicle to exit service diagnostics. Check this input with a scan tool. This only applies to vehicles equipped with the analog IPC.
IPI24 LEFT TURN SWITCH will be high when the left turn switch is ON and the output from the flasher module is on. This input will toggle with the state of the lamps (Lo/Hi).
IPI25 RIGHT TURN SWITCH will be high when the right turn switch is ON and the output from the flasher module is on. This input will toggle with the state of the lamps (Lo/Hi).