Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.

Main line between DLC and HVAC circuitWiring diagram
ENGINE CONTROL SYSTEM
Wiring Diagram
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Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer's
comments; refer to RF-144, "Diagnos ...
Preparation
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tools
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