LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 441 (Audio System & Video System) >> Antenna Module >> Diagnosis AMD Testing - Antenna Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis AMD Testing - Antenna Module

WARNING: This page is about a different car, the 2004 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
TROUBLE SYMPTOM CHART - ANTENNA MODULE

CONDITION POSSIBLE CAUSES CORRECTION
NO AM RECEPTION, WEAK FM RECEPTION
  1. Antenna module to antenna connector open or disconnected.
  2. Coax open or disconnected.
  3. No battery power at antenna module.
  4. Antenna module disconnected from glass.
  1. Repair open, reconnect antenna module connector to glass mounted antenna.
  2. Repair open, reconnect coax.
  3. Check fuse, if okay, repair open in battery voltage circuit.
  4. Connect module connector to glass.
NO AM OR FM RECEPTION
  1. Coax disconnected at radio.
  2. Coax shorted to ground.
  1. Reconnect coax.
  2. Repair or Replace coax
WEAK OR NO AM/FM RECEPTION
  1. Antenna Module faulty.
  1. Substitute known good module. If reception improves, Antenna Module was faulty.
scientia non olet · About LEMON Manuals