Switch Continuity Tests
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Remove seat. See POWER SEAT under REMOVAL & INSTALLATION. Disconnect 4-pin electrical harness connector from lumbar support switch. Remove lumbar support switch. Check continuity between specified terminals of lumbar support switch. See Fig 1. See LUMBAR SUPPORT SWITCH CONTINUITY table. Replace switch if continuity does not exist between specified terminals.
LUMBAR SUPPORT SWITCH CONTINUITY
| Switch Position | Continuity Between Switch Terminal Nos. (1) | ||
|---|---|---|---|
| Forward | 1 & 4; 2 & 3 | ||
| Off | 1 & 3; 2 & 3 | ||
| Release | 1 & 3; 2 & 4 | ||
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