Lost 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
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Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the horn to sound at intervals of 0.4 seconds.
WIRING DIAGRAM
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Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 SUNSHADE TRIM SUB-ASSEMBLY
(a) Slide and install the No. 1 sunshade trim sub-assembly.
2. INSTALL NO. 2 SUNSHADE TRIM SUB-ASSEMBLY
(a) Slide and ins ...