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MESSAGE CENTER The message center is a car graphic warning lamp module. This conventional warning system and lo- ELECTRONIC DIGITAL CLOCK The electronic digital clock is in the radio. The clock and radio each use the display panel built into When the ignition switch is in the OFF position, or when the radio frequency is being displayed, time The procedure for setting the clock varies slightly with each radio. The correct procedure is described AIR BAG WARNING SYSTEM For testing of this system refer to Group 8M, Re- straint Systems. MECHANICAL CLUSTER AND GAUGE SERVICE CAUTION: Disconnect negative battery cable, in en- compartment, before servicing instrument panel. When power is required for test purposes, Disconnect negative battery cable after test and be- fore continuing service procedures. SENDING UNIT TEST When a problem occurs with a cluster gauge, be- fore disassembling the cluster to check the gauge, (1) Sending units and wiring can be checked by grounding the connector leads, at the sending unit, (2) With the ignition in the ON position; a grounded input will cause the oil, fuel or tempera- CHECK GAUGES WARNING LAMP TESTS The check gauges warning lamp is illuminated by the low oil pressure sending unit switch or the body To test the lamp, turn ignition key to the ON po- sition without starting the vehicle. The low oil pres- If the lamp fails to light, pull the cluster and check the following: (a) Continuity between ground and check gauge pin J (Fig. 3). (b) Proper contact between the gauge pins and wiring harness and printed circuit board pins. (c) If there is ground and proper pin contact, re- place lamp. (d) If there is no continuity, check the low oil pressure sending unit switch (Fig. 4 and 5). connector. Attach positive lead of an ohmmeter to Fig. 3 Mechanical Cluster Connectors 8E - 24 INSTRUMENT PANEL AND GAUGES Ä |