2001 TOYOTA SEQUOIA Service Repair Manual

Page 497 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A21381
Engine  Room J/B
EFI No. 1 Fuse
B17417
E4
BATT ECM Connector
± DIAGNOSTICSENGINE
DI±295
489 Author: Date:
2005 SEQUOIA   (RM1146U)
4 Check for open and short in harness and connector betwee

Page 498 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±296
± DIAGNOSTICSENGINE
490 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC P0604 Internal Control Module Random Access
Memory (RAM) Error
DTC P0606 ECM/PCM Processor
DTC P0607 Control Module Perfor

Page 499 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±297
491 Author: Date:
2005 SEQUOIA   (RM1146U)
TYPICAL MALFUNCTION THRESHOLDS
Detection CriteriaThreshold
P0604:
RAMRAM check failure
P0606:
Either of the following conditio

Page 500 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±298
± DIAGNOSTICSENGINE
492 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC P0617 Starter Relay Circuit High
MONITOR DESCRIPTION
While the engine is being cranked, the battery positive voltage is ap

Page 501 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual A23548
ECM
E4
STAR ACCR
AM28
ED I18
Ignition SWB B
B±W 1C9
620
42 P
1
B±W
B 1
J2
J/C 1
17
B±O
2D
ALTE7 J38
1FGR
W4
ED2 IA1
S3 F10
Fusible
Link Block4
W±R
B±L
Battery 5B
ST 3A
1
StarterST Relay 5

Page 502 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±300
± DIAGNOSTICSENGINE
494 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
HINT:
Read freeze frame data using the hand±held tester. Freeze frame data records the engine conditions

Page 503 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSENGINE
DI±301
495 Author: Date:
2005 SEQUOIA   (RM1146U)
4 Connect hand±held tester, and check STA signal.
PREPARATION:
(a) Connect  the hand±held tester to the DLC3.
(b) Turn the i

Page 504 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual DI±302
± DIAGNOSTICSENGINE
496 Author: Date:
2005 SEQUOIA   (RM1146U)
DTC P0630 VIN not Programmed or Mismatch ECM/PCM
CIRCUIT DESCRIPTION
DTC P0630 is set when the Vehicle Identification Number (