TM9-2320-363-20-1 Table   3-1. Troubleshooting (Cent) Malfunction Test or    Inspection Corrective Action ELECTRICAL   SYSTEM   (CONT) Headlight   Circuits   (Cent) Step    3. Disconnect left   low/high    beam relay   from   connector. Check for   continuity between lead    21    and   connector 87. . If   continuity    is   present, replace    left   low/high    beam relay. if   no continuity    is   indicated, repair    lead   21    (page 3-2). 6. LEFT    LOW-BEAM DOES NOT OPERATE. Step 1. Inspect  headlight  bulb. . Replace  if  broken  or  defective  (page  4-206). Step    2. Disconnect connector    from    left   headlight. Check    for   continuity    between ground and    connector on   left   headlight at   lead    22. . if   continuity    is   present, go   to   step   3.    if   no   continuity is indicated, replace left   headlight    (page    4-206). Step    3. Disconnect left   low/high    beam relay   from   connector. Check for   continuity between lead    22    and   connector    87A. . if   continuity    is   present, replace    left   low/high continuity    is   indicated, repair    lead   22    (page 7. RIGHT HIGH-BEAM DOES NOT    OPERATE. beam relay. if   no 3-2). Step 1. Step 2. Step    3. Inspect headlight    bulb. . Replace if   broken    or   defective (page    4-206). Disconnect connector    from   right   headlight.    Check    for   continuity between ground and   connector    on   right   headlight    at   lead    21 D. . if   continuity    is   present, go   to   step   3.    if   no   continuity is indicated, replace right   headlight    (page    4-206). Disconnect right   low/high    beam relay   from   connector. Check for   continuity between lead    21 D   and   connector    87. . If   continuity    is   present, replace    right   low/high beam relay. If   no continuity    is   indicated, repair    lead   21D (page 3-2). 8. RIGHT LOW-BEAM DOES NOT   OPERATE. Step 1. Inspect headlight    bulb. . Replace if   broken    or   defective (page    4-206). 3-33