System Tests: Notes
CAUTION:
When battery is disconnected or modules are replaced, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
NOTE:
The following system tests only apply to vehicle with memory seats. If testing power seat system without memory, test individual components and check wiring. See COMPONENT TESTS
and WIRING DIAGRAMS
.
NOTE:
Many steps in the following tests refer to various connectors. These connectors are identified in illustrations under CONNECTOR IDENTIFICATION
. See Figure
-Figure
.
SYMPTOM CHART
| Symptom | Perform Test |
|---|---|
| No Communication with Driver's Door Module | A |
| No Communication With Driver's Seat Module | B |
| Driver's Seat Completely Inoperative (With Memory) | C |
| Passenger's Seat Completely Inoperative | D |
| Seat Motors Operate In One Second Intervals | E |
| Passenger's Seat Does Not Move Horizontally/Vertically | F |
| Memory Seat Inoperative | G |
| Easy Entry/Exit Feature Inoperative | H |
| Driver's Heated Seat Inoperative | I |
| Driver's Heated Seat Cushion Inoperative | J |
| Passenger's Heated Seat Inoperative | K |
| Passenger's Heated Seat Cushion Inoperative | L |
| Both Heated Seats Inoperative | M |
| Driver's Lumbar Support Inoperative | N |
| Passenger's Lumbar Support Inoperative | O |
| Battery Voltage Out Of Range (DTC B1676) | P |