2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

DIAGNOSIS AND TESTING

POWER SEAT SWITCH


DRIVER WITHOUT MEMORY SEAT SYSTEM




1. Disconnect and isolate the battery negative cable.
2. Remove the power seat switch from the power seat (Refer to 8 - ELECTRICAL/POWER SEATS/SEAT SWITCH - REMOVAL).
3. Use an ohmmeter to test the continuity of the power seat switch. Refer to DRIVER POWER SEAT SWITCH WITHOUT MEMORY SEAT SYSTEM CONTINUITY table. If not OK, replace the faulty power seat switch. If switch tests OK (Refer to 8 - ELECTRICAL/POWER SEATS/POWER SEAT ADJUSTER - DIAGNOSIS AND TESTING).

DRIVER POWER SEAT SWITCH WITHOUT MEMORY SEAT SYSTEM CONTINUITY

SWITCH POSITION
  		CONTINUITY BETWEEN
  
OFF
  		7-1, 7-3, 7-4, 7-5, 7-8, 7-9, 7-10, 7-11
  
RECLINER UP
  		6-3, 7-1, 7-4, 7-5, 7-8, 7-9, 7-10, 7-11
  
RECLINER DOWN
  		6-1, 7-3, 7-4, 7-5, 7-8, 7-9, 7-10, 7-11
  
HORIZONTAL FORWARD
  		6-8, 7-1, 7-3, 7-4, 7-5, 7-9, 7-10, 7-11
  
HORIZONTAL REARWARD
  		6-4, 7-1, 7-3, 7-5, 7-8, 7-9, 7-10, 7-11
  
FRONT TILT DOWN
  		6-5, 7-1, 7-3, 7-4, 7-8, 7-9, 7-10, 7-11
  
FRONT TILT UP
  		6-9, 7-1, 7-3, 7-4, 7-5, 7-8, 7-10, 7-11
  
REAR TILT DOWN
  		6-10, 7-1, 7-3, 7-4, 7-5, 7-8, 7-9, 7-11
  
REAR TILT UP
  		6-11, 7-1, 7-3, 7-4, 7-5, 7-8, 7-9, 7-10
  


PASSENGER SEAT




1. Disconnect and isolate the battery negative cable.
2. Remove the power seat switch from the power seat (Refer to 8 - ELECTRICAL/POWER SEATS/SEAT SWITCH - REMOVAL).
3. Use an ohmmeter to test the continuity of the power seat switch. Refer to PASSENGER POWER SEAT SWITCH CONTINUITY table. If not OK, replace the faulty power seat switch. If switch tests OK (Refer to 8 - ELECTRICAL/POWER SEATS/POWER SEAT ADJUSTER - DIAGNOSIS AND TESTING).

PASSENGER POWER SEAT SWITCH CONTINUITY

SWITCH POSITION
  		CONTINUITY BETWEEN
  
OFF
  		7-1, 7-3, 7-4, 7-8
  
RECLINER UP
  		6-3, 7-1, 7-4, 7-8
  
RECLINER DOWN
  		6-1, 7-3, 7-4, 7-8
  
HORIZONTAL FORWARD
  		6-8, 7-1, 7-3, 7-4
  
HORIZONTAL REARWARD
  		6-4, 7-1, 7-3, 7-8
  


DRIVER WITH MEMORY SEAT SYSTEM




1. Disconnect and isolate the battery negative cable.
2. Remove the power seat switch from the power seat (Refer to 8 - ELECTRICAL/POWER SEATS/SEAT SWITCH - REMOVAL).
3. Use an ohmmeter to test the resistance of the power seat switch. Refer to DRIVER POWER SEAT SWITCH WITH MEMORY SEAT SYSTEM CONTINUITY table. If not OK, replace the faulty power seat switch. If switch tests OK (Refer to 8 - ELECTRICAL/POWER SEATS/POWER SEAT ADJUSTER - DIAGNOSIS AND TESTING).

DRIVER POWER SEAT SWITCH WITH MEMORY SEAT SYSTEM CONTINUITY

SWITCH POSITION
  		CONTINUITY BETWEEN
  		RESISTANCE VALUE
  
OFF
  		10-4
  		OPEN
  
OFF
  		10-11
  		OPEN
  
OFF
  		1-4
  		47 OHMS
  
OFF
  		1-11
  		47 OHMS
  
REAR TILT UP
  		10-11
  		169 OHMS
  
REAR TILT DOWN
  		10-11
  		76 OHMS
  
HORIZONTAL FORWARD
  		10-11
  		43 OHMS
  
HORIZONTAL REARWARD
  		10-11
  		10 OHMS
  
RECLINER UP
  		10-4
  		43 OHMS
  
RECLINER DOWN
  		10-4
  		10 OHMS
  
FRONT TILT UP
  		10-4
  		169 OHMS
  
FRONT TILT DOWN
  		10-4
  		76 OHMS
  
ALL RESISTANCE VALUES ARE ± FIVE PERCENT