Power Mirror Switch Test
Remove power mirror switch. See POWER MIRROR SWITCH under REMOVAL & INSTALLATION. Using an ohmmeter, check for continuity between appropriate mirror switch terminals. See Fig 1. See POWER MIRROR SWITCH CONTINUITY TEST table. If switch fails any test, replace switch.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 POWER MIRROR SWITCH CONTINUITY TEST
| Application |
Terminals No. |
| L/R Switch In Off Position |
| Up Or Left |
3 & 4 |
| Down Or Right |
1 & 3 |
| L/R Switch In Left Position |
| Up |
1 & 10, 3 & 4 |
| Down |
1 & 3, 4 & 10 |
| Left |
1 & 9, 3 & 4 |
| Right |
1 & 3, 4 & 9 |
| L/R Switch In Right Position |
| Up |
1 & 6, 3 & 4 |
| Down |
1 & 3, 4 & 6 |
| Left |
1 & 2, 3 & 4 |
| Right |
1 & 3, 2 & 4 |
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 POWER MIRROR ECU VOLTAGE TESTING
| Application |
Terminals |
Volts |
| At All Times |
A4 |
Battery |
| Ignition Switch |
| In ACC Position |
A7 |
Battery |
| In OFF Position |
A7 |
Zero |
| Left Or Right Mirror Switch |
| Any Position Except OFF |
A13 |
5.0 |
| Left Mirror Switch Activated |
| Up |
A9 |
Battery |
| Down Or Left |
A10 |
Battery |
| Right |
A8 |
Battery |
| Right Mirror Switch Activated |
| Up |
A2 |
Battery |
| Down Or Right |
A3 |
Battery |
| Left |
A1 |
Battery |
| Left Mirror |
| Uppermost Position |
A15 |
0-0.9 |
| Lowermost Position |
A15 |
2.8-5.0 |
| Leftmost Position |
A14 |
2.8-5.0 |
| Rightmost Position |
A14 |
0-0.9 |
| Right Mirror |
| Uppermost Position |
A6 |
0-0.9 |
| Lowermost Position |
A6 |
2.8-5.0 |
| Leftmost Position |
A5 |
0-0.9 |
| Rightmost Position |
A5 |
2.8-5.0 |
| Mirror Switch At Rest Position |
B2, B4, B5 & B6 |
5.0 |