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: Many steps in the following tests refer to various connectors. These connectors are identified in illustrations under CONNECTOR IDENTIFICATION . See Figure -Figure .

SYMPTOM INDEX

Symptom

Perform Test

No Communication With Driver's Seat Module (DSM)

No Communication with Driver's Door Module (DDM)

Driver's Seat Completely Inoperative

Passenger's Seat Completely Inoperative

Memory Seat Does Not Move Horizontally/Vertically

Passenger's Seat Does Not Move Horizontally/Vertically

Memory Seat Inoperative

Easy Entry/Exit Feature Inoperative

⁽¹⁾

Driver's Heated Seat Inoperative

Passenger's Heated Seat Inoperative

Both Heated Seats Inoperative

Driver's Lumbar Inoperative

Passenger's Lumbar Inoperative

Driver's Seat Does Not Move Horizontally/Vertically

⁽¹⁾

Use message center driver personality function to ensure easy exit/entry function is not disabled. If exit/entry function is disabled, enable exit/entry function using message center. If exit/entry function is enabled, check for Driver's Seat Module (DSM) Diagnostic Trouble Codes (DTC). See SELF-DIAGNOSTIC SYSTEM .