Section 321 (Lighting System - Inspection): Inspection
WARNING: This page is about a different car, the 2003 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- HEADLAMP DIMMER SWITCH ASSY
- Inspect light control switch continuity.
- Inspect headlight dimmer switch continuity.
- Inspect turn signal switch continuity.
- Inspect front fog light switch continuity.
- HAZARD WARNING SIGNAL SWITCH ASSY
- Check that there is continuity between terminals at each switch position as shown in the chart.SWITCH OPERATION AND TESTER CONNECTION CHART
Switch operation Tester connection Specified condition OFF 1 - 4 No continuity ON 1 - 4 Continuity Illumination circuit 8 - 9 Continuity - Inspect illumination operation.
- Connect the positive (+) lead from the battery to terminal 8 and negative (-) lead to terminal 9, then check that the illumination lights up.
- Check that there is continuity between terminals at each switch position as shown in the chart.
- LUGGAGE COMPARTMENT DOOR LOCK ASSY
- Inspect luggage compartment door courtesy lamp switch continuity.
- Check that there is continuity between terminal 2 and body ground when switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
- Inspect luggage compartment door courtesy lamp switch continuity.
- FOG LAMP RELAY
- ROOF CONSOLE BOX ASSY
- Inspect map lamp continuity.
- Check that there is continuity between terminal 6 and 7 when switch is operated.
Standard:
ON: Continuity
OFF: No continuity
- Inspect map lamp continuity.
- ROOM LAMP ASSY NO.1
- Inspect room lamp assy No. 1 continuity.
- Check that there is continuity between terminals at each switch position as shown in the chart.
Standard:
SWITCH OPERATION AND TESTER CONNECTION CHARTSwitch operation Tester connection Specified condition OFF - No continuity DOOR 1 - 2 Continuity ON 1 - 3 Continuity
- Inspect room lamp assy No. 1 continuity.
- COURTESY LAMP ASSY
- Inspect courtesy lamp assy continuity.
- Check that there is continuity between terminals when switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
- Inspect courtesy lamp assy continuity.
- GLOVE BOX LAMP ASSY
- Inspect glove box lamp assy continuity.
- Check that there is continuity between terminals when switch is operated.
Standard:
ON (When shaft is pressed): No continuity
OFF (When shaft is not pressed): Continuity
- Inspect glove box lamp assy continuity.
- LUGGAGE COMPARTMENT LAMP ASSY NO.1
- Inspect luggage compartment lamp assy No. 1.
- Check that there is continuity between terminals when switch is operated.
Standard:
ON: Continuity
OFF: No continuity
- TAIL LAMP RELAY
- DAYTIME RUNNING LIGHT RELAY NO.1
- DAY TIME RUNNING LIGHT RELAY NO.2