Headlight, Dimmer & Passing Switches
With headlight switch in specified position, check continuity between specified terminals of combination switch connector. See HEADLIGHT SWITCH CONTINUITY TEST and/or DIMMER & PASSING SWITCHES CONTINUITY TEST
tables. See Figure. If continuity is not as specified, replace headlight switch or turn signal/dimmer switch as necessary. See COMBINATION SWITCH under REMOVAL & INSTALLATION.
HEADLIGHT SWITCH CONTINUITY TEST
| Application & Switch Position |
Terminals No. |
Continuity |
| Avalon |
| Off |
None |
No |
| Tail |
14 & 15 |
Yes |
| Head |
13, 14 & 15 |
Yes |
| Except Avalon |
| Off |
None |
No |
| Tail |
14 & 16 |
Yes |
| Head |
13, 14 & 16 |
Yes |
DIMMER & PASSING SWITCHES CONTINUITY TEST
| Application & Switch Position |
Terminals No. |
Continuity |
| Avalon & Tercel |
| High Beam |
8 & 16 |
Yes |
| Low Beam |
16 & 17 |
Yes |
| Passing |
8, 9 & 16 |
Yes |
| Camry, Celica, Corolla & Supra |
| High Beam |
7 & 16 |
Yes |
| Low Beam |
16 & 17 |
Yes |
| Passing |
7, 8 & 16 |
Yes |