Pinpoint Test E: The Speedometer/Odometer Is Inoperative
Instrumentation, Message Center and Warning Chimes
Pinpoint Test E: The Speedometer/Odometer Is Inoperative
Normal Operation
The Instrument Cluster (IC) receives the Vehicle Speed Sensor (VSS) signal from the PCM over the High Speed Controller Area Network (HS-CAN). The PCM receives the VSS data from the Output Shaft Speed (OSS) sensor. The IC monitors the VSS input from the PCM module and commands the speedometer with a corresponding movement of the pointer.
This pinpoint test is intended to diagnose the following:
- PCM
- IC
PINPOINT TEST E: THE SPEEDOMETER/ODOMETER IS INOPERATIVE
-------------------------------------------------
E1 RETRIEVE THE RECORDED DTCs FROM THE PCM KOEO SELF-TEST
- Check for recorded PCM DTCs from the KOEO self-test.
- Are any PCM DTCs recorded?
Yes
REFER to Computers and Control Systems Information.
No
If the speedometer is inoperative, GO to E2.
If the odometer is inoperative for base cluster, GO to E3.
If the odometer is inoperative for message center cluster, GO to E4.
-------------------------------------------------
E2 CARRY OUT THE IC SPEEDOMETER ACTIVE COMMAND USING THE SCAN TOOL
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IC DataLogger.
- Select the IC speedometer (SPDOMETER) active command and command the speedometer to 0, 193 km/h (120 mph), and back to 0.
- Does the speedometer reading start at 0 and move to 193 km/h (120 mph), and return to 0?
Yes
INSTALL a new PCM. TEST the system for normal operation.
No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.
-------------------------------------------------
E3 MONITOR THE DISPLAY SEGMENT CONTROL DISPLAY (BASE CLUSTER)
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: IC DataLogger.
- Select the IC display segment control (SEGMENTS_2) active command and illuminate the display segments.
- Do the display segments illuminate correctly?
Yes
INSTALL a new PCM. TEST the system for normal operation.
No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.
-------------------------------------------------
E4 CHECK THE MESSAGE CENTER DISPLAY
- Ignition ON.
- Operate the message center through all of the display functions.
- Do all of the message center displays illuminate correctly?
Yes
INSTALL a new PCM. TEST the system for normal operation.
No
INSTALL a new IC. REFER to Instrument Cluster (IC) Instrument Cluster (IC). TEST the system for normal operation.
-------------------------------------------------