Section 393 (Lighting System): Inspection

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

HEADLAMP DIMMER SWITCH ASSY

Inspect light control switch continuity.

Fig 1: Identifying Headlamp Dimmer Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check that there is continuity between terminals at each switch position as shown in HEAD AND TAIL SWITCH CONTINUITY .

HEAD AND TAIL SWITCH CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	.....	No Continuity
TAIL	14 - 16	Continuity
HEAD	13 -16 - 14	Continuity

Inspect headlamp dimmer switch continuity.

Check that there is continuity between terminals at each switch position as shown in FLASH, LOW AND HIGH BEAM SWITCH CONTINUITY .

FLASH, LOW AND HIGH BEAM SWITCH CONTINUITY

Switch Operation	Tester Connection	Specified Condition
FLASH	7 - 8 - 16	Continuity
LOW BEAM	16 - 17	Continuity
HI BEAM	7 - 16	Continuity

Inspect turn signal switch continuity.

Check that there is continuity between terminals at each switch position as shown in TURN SWITCH CONTINUITY .

TURN SWITCH CONTINUITY

Switch Operation	Tester Connection	Specified Condition
Right turn	2 - 3	Continuity
Neutral	.....	No Continuity
Left turn	1 - 2	Continuity

Inspect front fog light switch continuity.

Check that there is continuity between terminals at each switch position as shown in FOG ON-OFF SWITCH POSITION CONTINUITY .

FOG ON-OFF SWITCH POSITION CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	-	No Continuity
ON	10 - 11	Continuity

HEATER CONTROL HOUSING SUB-ASSY

Auto A/C:

Fig 2: Identifying Heater Control Housing Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Inspect hazard warning signal switch.

AUTO A/C ON-OFF CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	1 - 34	No Continuity
ON	1 - 34	Continuity

Manual A/C:
Inspect hazard warning signal switch.

Fig 3: Inspecting Hazard Warning Signal Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

MANUAL A/C ON-OFF SWITCH CONTINUITY

Switch Operation	Tester Connection	Specified Condition
OFF	6 - 32	No Continuity
ON	6 - 32	Continuity

BACK UP LAMP SWITCH ASSY
1. Inspect back-up lamp switch continuity.
  1. Check that there is continuity between terminals upon switch operation.
  Standard:
  
  OFF (When ball is not pressed): No continuity
  
  ON (When ball is pressed): Continuity
LUGGAGE COMPARTMENT DOOR LOCK ASSY
1. Inspect luggage compartment door courtesy lamp switch continuity.
  
  Fig 4: Identifying Luggage Compartment Door Lock Connector Terminal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. 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

FOG LAMP RELAY

Inspect relay continuity.

Fig 5: Inspecting Fog Lamp Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

FOG LAMP RELAY CONTINUITY

Condition	Tester Connection	Specified Condition
Constant	1 - 2	Continuity
Apply B+ Between Terminals 1 And 2.	3 - 5	Continuity

ROOF CONSOLE BOX ASSY
1. Inspect map lamp continuity.
  
  Fig 6: Identifying Roof Console Box Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Check that there is continuity between terminal 1 and 5 when switch is operated.
  Standard:
  
  ON: Continuity
  
  OFF: No continuity

ROOM LAMP ASSY NO. 1

Inspect room lamp assy No. 1 continuity.

Fig 7: Identifying Room Lamp Assy No. 1 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check that there is continuity between terminals at each switch position as shown in ROOM LAMP NO. 1 CONTINUITY .

Standard:

ROOM LAMP NO. 1 CONTINUITY

Switch Operation

Tester Connection

Specified Condition

OFF

.....

No Continuity

DOOR

1 - 2

Continuity

⁽¹⁾ ON

2 - 3

Continuity

⁽²⁾ ON

1 - 3

Continuity

⁽¹⁾

TMMK Made

⁽²⁾

TMC Made

GLOVE BOX LAMP ASSY
1. Inspect glove box lamp assy continuity.
  1. 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
LUGGAGE COMPARTMENT LAMP ASSY NO. 1
1. Inspect luggage compartment lamp assy No. 1.
2. Check that there is continuity between terminals when switch is operated.
  Standard:
  
  ON: Continuity
  
  OFF No continuity

TAIL LAMP RELAY

TAIL LAMP RELAY CONTINUITY

Condition	Tester Connection	Specified Condition
Constant	1 - 2	Continuity
Apply B+ Between Terminal 1 And 2	3 - 5	Continuity

DAY TIME RUNNING LIGHT RELAY NO. 2

DAY TIME RUNNING LIGHT RELAY NO. 2 CONTINUITY

Condition	Tester Connection	Specified Condition
Constant	1 - 2	Continuity
Apply B+ Between Terminal 1 And 2	3 - 5	Continuity

RUNNING LIGHT RELAY

Inspect relay continuity.

Fig 10: Inspecting Running Right Relay Circuit
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RUNNING LIGHT RELAY CONTINUITY

Condition	Tester Connection	Specified Condition
Constant	1 - 3, 2 - 4	Continuity
Apply B+ Between Terminal 1 And 3	4 - 5	Continuity