Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne di eg5vzfe cip1633
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DI-143
DIAGNOSTICS - ENGINE (5VZ-FE)
DI1MF-08
DTC P1633 ECM Malfunction (ETCS Circuit)
CIRCUIT DESCRIPTION
Refer to DTC P1129 on page DI-121 .
DTC No. DTC Detecting Condition Trouble Area
P1633 ECM malfunction S ECM
INSPECTION PROCEDURE
HINT:
Read freeze frame data using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame records
the engine conditions when the malfunction is detected. When troubleshooting it is useful for determining
whether the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean
or rich, etc. at the time of the malfunction.
Replace ECM.
2002 4RUNNER (RM887U)
Author : Date : 319
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