Check Seat Memory and Set Switch Circuit
- CHECK FUNCTION
With CONSULT-II
With "SET SW, MEMORY SW1, MEMORY SW2" on the DATA MONITOR, operate the switch to check ON/OFF operation.
DATA MONITOR ITEM REFERENCE TABLEMonitor item [OPERATION or UNIT] Contents MEMORY SW1 "ON/OFF" ON/OFF status judged from the seat memory switch 1 signal is displayed. MEMORY SW2 "ON/OFF" ON/OFF status judged from the seat memory switch 2 signal is displayed. SET SW "ON/OFF" ON/OFF status judged from the setting switch signal is displayed. Without CONSULT-II
GO TO 2.
OK or NG
OK: Seat memory switch circuit is OK.
NG: GO TO 2.
- CHECK SEAT MEMORY SWITCH
- Turn ignition switch OFF.
- Disconnect seat memory switch connector.
- Check continuity between seat memory switch connector B354 terminal 7, 22, 23 and 32B.CONTINUITY CHECK TABLE
Connector Terminals Condition Continuity B354 7 32B Memory switch 1: ON Yes Memory switch 1: OFF No 22 Memory switch 2: ON Yes Memory switch 2: OFF No 23 Set switch: ON Yes Set switch: OFF No
OK or NG
OK: GO TO 3.
NG: Replace seat memory switch.
- CHECK HARNESS CONTINUITY
- Disconnect driver seat control unit connector.
- Check continuity between driver seat control unit connector B352 terminals 7, 22, 23 and seat memory switch connector B354 terminals 7, 22, 23.
7 (R/B) - 7 (R/B): Continuity should exist .
22 (G/R) - 22 (G/R): Continuity should exist .
23 (Y/G) - 23 (Y/G): Continuity should exist .
- Check continuity between driver seat control unit connector M352 terminals 7, 22, 23 and ground.
7 (R/B) - Ground: Continuity should not exist .
22 (G/R) - Ground: Continuity should not exist .
23 (Y/G) - Ground: Continuity should not exist .
OK or NG
OK: GO TO 4.
NG: Repair or replace harness between driver seat control unit and seat memory switch.
- CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity between seat memory switch connector B354 terminal 32B and ground.
32B (B) - Ground: Continuity should exist .
OK or NG
OK: Replace driver seat control unit.
NG: Repair or replace harness between seat memory switch and ground.