Left Front Seat Does Not Move Manually In One Direction

NOTE: After repair or component replacement is completed, perform POWER SEAT/MIRROR MEMORY SYSTEM CHECK under TROUBLE SHOOTING to verify system is functioning properly.

Perform POWER SEAT/MIRROR MEMORY SYSTEM CHECK under TROUBLE SHOOTING. Go to next step.

Operate left front seat switch in inoperative position. Using test light, backprobe left front seat switch harness connector terminal "L" (Black wire) and appropriate left seat switch harness connector terminal. See IDENTIFYING LEFT FRONT SEAT SWITCH CIRCUITS table for terminal and wire color identification. If test light illuminates, go to next step. If test light does not illuminate, go to step 4).

IDENTIFYING LEFT FRONT SEAT SWITCH CIRCUITS

Application	Terminal/Wire Color
Entire Seat Back	B/Light Green
Entire Seat Forward	E/Tan
Front Height Down	A/Dark Blue
Front Height Up	D/Dark Green
Headrest Down	M/White/Black
Headrest Up	K/Dark Blue/White
Rear Height Down	C/Light Blue
Rear Height Up	F/Yellow
Recline Down	G/Light Blue
Recline Up	H/Light Green

Check for open in appropriate wire of inoperative circuit. See IDENTIFYING LEFT FRONT SEAT SWITCH CIRCUITS table. If suspect circuit is okay, go to step 5). If open is found, repair as necessary.
Replace left front seat switch.
Disconnect inoperative seat motor connector. Connect a fused jumper (20-amp) between positive battery voltage and either seat motor connector terminal. Connect second fused jumper (20-amp) between ground and other motor connector terminal. If motor operates, go to next step. If motor does not operate, replace motor. See REMOVAL & INSTALLATION in SEATS - POWER article.
Repair open or short to ground in appropriate wiring. See IDENTIFYING LEFT FRONT SEAT SWITCH CIRCUITS table.