On-vehicle Inspection
ComponentsLost Communication with ECM / PCM (U0100)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0100
No communication from the ECM continues.
ECM main wire or connector
Power source circuit of ECM
ECM
...
Removal
REMOVAL
PROCEDURE
1. REMOVE WINDSHIELD WIPER MOTOR AND LINK
(a) Remove the windshield wiper motor and link (See page
).
2. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY
3. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
4. REMOVE COOL AIR INTAKE DUCT SEAL
...
ECM / PCM Processor (P0606)
MONITOR DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures
that the ECM is functioning properly. If outputs from the CPUs are different and
deviate from the standard, the ECM illuminates the MIL and stores the DTC imm ...