Chrysler 1998 Voyager Service Manual page 352

8E - 16 INSTRUMENT PANEL AND SYSTEMS
DIAGNOSIS AND TESTING (Continued)
CONDITION
ERRATIC DISPLAY
ALL SEGMENTS
ARE ON
POSSIBLE
CAUSES
1. Internal Cluster 1. (a) Perform Cluster Self Diagnostic Test and check for fault
Failure. codes.
• If PRND3L passes the dim test and segment check and fault
codes 110 or 111 don't appear in the odometer display then failure
is not in the cluster. Look for another possible cause of failure.
• If PRND3L doesn't work go to Step (b).
• If fault code 110 is displayed in the odometer, go to Step (f).
• If fault code 111 is displayed in the odometer display then use a
scan tool to calibrate cluster.
• If fault code 905 is displayed use a scan tool to check electronic
TCM.
(b) Remove cluster from instrument panel and verify that odometer
assembly is properly connected to main pc board. If OK, go to
Step (c). If not OK, reconnect PRND3L assembly to main pc board.
(c) Replace PRND3L assembly. Go to Step (d).
(d) Connect cluster into instrument panel wiring harness. Place it
back into the proper position in the instrument panel. DO NOT
COMPLETELY INSTALL CLUSTER TO INSTRUMENT PANEL
UNTIL UNIT IS TESTED. Go to Step (e).
(e) Perform Self Diagnostic Test. If OK, continue installation. If not
OK, go to Step (f).
(f) Replace main cluster pc board and use a scan tool to calibrate
cluster. If not OK, look at another possible cause for the PRND3L
failure.
2. Bad CCD Bus 2. Use a scan tool to check the electronic TCM. Refer to the
Message from the electronic TCM section of the manual to properly diagnose and
Electronic repair.
Transmission
Control Module
(TCM).
1. No CCD bus 1. (a) Perform Cluster Self Diagnostic test. If PRND3L passes test
message from the go to Step (b). If PRND3L fails test go to Step (c).
electronic (b) Check electronic TCM using a scan tool. Refer to the electronic
Transmission TCM section of the manual to properly diagnose and repair.
Control Module (c) Replace PRND3L assembly. Connect cluster into instrument
(TCM). panel wiring harness. Place it back into the proper position in the
instrument panel. DO NOT COMPLETELY INSTALL CLUSTER TO
INSTRUMENT PANEL UNTIL UNIT IS TESTED. Go to Step (d).
(d) Perform Self Diagnostic Test. If OK, continue installation. If not
OK, go to Step (e).
(e) Replace main cluster pc board and use a scan tool to calibrate
cluster. If not OK, look at another possible cause for the PRND3L
failure.
CORRECTION
NS