This instruction show you guide on how to repair Paccar Truck DTC257903 and DTC2577904 ammeter gauge inoperative.
Preparations:
Paccar ESA Electronic Service Analyst v5.4.3 v5.2.2 Free Download
Symptom:
Ammeter gauge inoperative. All other gauges are operational.
The Ammeter Gauge uses a contact less sensor using Hall Effect. The sensor is positioned on the cab feed wire inside the battery box, or for firewall mounted circuit breakers, near the firewall.
The following procedures have been developed to assist the technician in diagnosing multiplexed instrumentation problems using the Electronic Service Analyst (ESA) hardware/software diagnostic tool. It is assumed the service technician performing instrumentation repairs is knowledgeable about how to use ES
Procedures:
Step 1:
Turn ignition key ON.
Start ESA, then select
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