Installation
ComponentsMotor Circuit Malfunction (C1521,C1531-C1534,C1554)
DESCRIPTION
If the power steering ECU detects these DTCs, it will shut off the motor relay
circuit (built into the power steering ECU) and stop power assist. However, power
assist continues if DTC C1533 or C1534 is stored.
DTC No.
D ...
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
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Monitor the ECU data by following the prompts on the Techstream screen.
HINT:
The Techstream has a "Snapshot" function which records the monitored data. Refe ...