Section 508 (Lighting System): Inspection

WARNING: This page is about a different car, the 2003 Toyota Matrix. However, it is still accessible from the selected car via links, so may be relevant.

HEADLAMP DIMMER SWITCH ASSY

Inspect light control switch continuity.

Check that there is continuity between terminals at each switch position as shown in the chart.

Fig 1: Identifying Headlamp Dimmer Switch Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

LIGHT CONTROL SWITCH TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	10-11-12-13	No Continuity
TAIL	10-13	Continuity
HEAD	10-13	Continuity
HEAD	11-12	Continuity

Inspect headlight dimmer switch continuity.

Check that there is continuity between terminals at each switch position as shown in the chart.

Standard:

HEADLIGHT DIMMER SWITCH TERMINALS CONTINUITY

Switch Operation

Tester Connection

Specified Condition

FLASH

8-11, 9-11

Continuity

LOW BEAM⁽¹⁾

9-11

Continuity

LOW BEAM⁽²⁾

8-11, 9-11

No continuity

HIGH BEAM

9-11

Continuity

⁽¹⁾	w/ Fog Light

⁽²⁾	w/o Fog Light

Inspect turn signal switch continuity.

Check that there is continuity between terminals at each switch position as shown in the chart.

Standard:

TURN SIGNAL SWITCH TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
Right Turn	6-7	Continuity
Neutral	5-6-7	No Continuity
Left Turn	6 - 5	Continuity

W/ Fog light:

Inspect front fog light switch continuity.

Check that there is continuity between terminals at each switch position as shown in the chart.

Standard:

FRONT FOG LIGHT SWITCH TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	2-4	No Continuity
ON	2-4	Continuity

BACK UP LAMP SWITCH ASSY
1. Inspect back up lamp switch continuity.
  1. Check that there is continuity between terminals when switch operation.
    Standard:
    
    OFF (When ball is not pressed): No continuity
    
    ON (when ball is pressed): Continuity

STOP LAMP SWITCH ASSY

Inspect stop lamp switch assy continuity.

Disconnect the stop lamp switch assy connector.

Check that there is continuity between terminal 1 and 2.

Fig 2: Identifying Stop Lamp Switch Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

STOP LAMP SWITCH TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
ON	1-2	Continuity
OFF	1-2	No Continuity

HAZARD WARNING SIGNAL SWITCH ASSY

Inspect hazard warning signal switch assy continuity.

Check that there is continuity between terminal 1 and 4 when switch is operated.

Fig 3: Identifying Hazard Warning Signal Switch Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard:

HAZARD WARNING SIGNAL SWITCH TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
ON	1-4	Continuity
OFF	1-4	No Continuity

Inspect illumination operation.
1. Connect the positive (+) lead from the battery to terminal 8 and negative (-) lead to terminal 9, then check that the illumination comes on.

FRONT DOOR COURTESY LAMP SWITCH ASSY
1. Inspect front door courtesy lamp switch assy continuity.
  1. Check that there is continuity between terminal 1 and body ground when switch is operated.
    Standard:
    
    ON (When shaft is pressed): No continuity
    
    OFF (When shaft is not pressed): Continuity
REAR DOOR COURTESY LAMP SWITCH ASSY
1. Inspect rear door courtesy lamp switch assy continuity.
  1. Check that there is continuity between terminal 1 and body ground when switch is operated.
    Standard:
    
    ON (When shaft is pressed): No continuity
    
    OFF (When shaft is not pressed): Continuity
BACK DOOR COURTESY LAMP SWITCH ASSY
1. Inspect back door courtesy lamp switch assy continuity.
  1. Check that there is continuity between terminal 1 and bracket when switch is operated.
    Standard:
    
    ON (When shaft is pressed): No continuity
    
    OFF (When shaft is not pressed): Continuity

MAP LAMP ASSY

Inspect map lamp continuity.

Fig 4: Identifying Map Lamp Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check that there is continuity between terminal 1 and 3 when switch is operated.

Standard:

MAP LAMP TERMINALS CONTINUITY

Switch Operation	Tester Connection	Specified Condition
ON	1-3	Continuity
OFF	1-3	No Continuity

ROOM LAMP ASSY NO. 1
1. Inspect room lamp assy No. 1 continuity.
  1. Check that there is continuity when switch is operated.
    Standard:
    
    ON: Continuity
    
    OFF: No continuity

HEADLAMP RELAY

Inspect headlamp relay continuity.

Check that there is continuity between terminals.

Fig 5: Identifying Headlamp Relay Terminals

Standard:

HEADLAMP RELAY TERMINALS CONTINUITY

Tester Connection	Specified Condition
1-2	Continuity
3-5	Continuity

Apply battery voltage (10-14 V) between terminal 1 and 2, then check that there is continuity between terminal 3 and 5.
Standard: There is continuity.

FOG LAMP RELAY

Inspect fog lamp relay continuity.

Check that there is continuity between terminals.

Fig 6: Identifying Fog Lamp Relay Terminals

Standard:

FOG LAMP RELAY TERMINALS CONTINUITY

Tester Connection	Specified Condition
1-2	Continuity
3-5	Continuity

Apply battery voltage (10-14 V) between terminal 1 and 2, then check that there is continuity between terminal 3 and 5.
Standard: There is continuity.

TAILLAMP RELAY

Inspect taillamp relay continuity.

Check that there is continuity between terminals.

Fig 7: Identifying Taillamp Relay Terminals

Standard:

TAILLAMP RELAY TERMINALS CONTINUITY

Tester Connection	Specified Condition
1-2	Continuity
3-5	Continuity

Apply battery voltage (10-14 V) between terminal 1 and 2, then check that there is continuity between terminal 3 and 5.
Standard: There is continuity.

INTEGRATION RELAY
1. Check illuminated entry operation.
  1. Connect the positive (+) lead from the battery to terminal A-1 and negative (-) lead to terminal A-9.
  2. Check that the battery voltage (10-14 V) generates between terminal B-3 and A-9, then connect the negative (-) lead from the battery to terminal A-5 and A-6.
  3. Disconnect the negative (-) lead from the battery to terminal A-5 and A-6, or connect the positive (-) lead from the battery to terminal B-18 or B-19, or connect the positive (+) lead from the battery to terminal A-10, then check that there is no voltage between terminal A-12 and A-9.
2. Inspect battery saver operation.
  1. Connect the positive (+) lead from the battery to terminal A-1 and negative (-) lead to terminal A-9.
  2. Connect the negative (-) lead from the battery to terminal A-5 and A-6, then check that the battery voltage (10-14 V) generates between terminal A-12 and A-9.
  3. After 20 min., check that there is no voltage between terminal A-12 and A-9.