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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Power Door Locks & Keyless Entry) >> Symptom Tests >> Test No. 1: One Or More Diagnostic Functions Inoperative >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

To identify possible sources of diagnostic function problems, see DIAGNOSTIC FUNCTIONS  table.

DIAGNOSTIC FUNCTIONS

Affected System Possible Causes
Horn Horn Circuit Malfunction, Keyless Control Module, Wiring Harness Problem Between Keyless Control Module & Horn Relay
Headlights Headlight Circuit Malfunction, Keyless Control Module, Wiring Harness Problem Between Keyless Entry Module & Headlight Relay
Hazard Lights Hazard Light Circuit Malfunction, Keyless Control Module, Wiring Harness Problem Between Keyless Control Module & Hazard Lights Or Flasher Control Module
Door Locks Door Lock Linkage Malfunction
Door Lock Switches Door Lock Switch Circuit Malfunction
Driver's Side Door Key Cylinder Switch Driver's Side Door Key Cylinder Switch Or Circuit
Keyless Control Module Door Lock/Unlock Signal Keyless Control Module, Wiring Harness Problem Between Keyless Control Module & Door Lock Control Module
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