Initialization
Abbreviations Used In ManualMotor 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 ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 SIDE DEFROSTER NOZZLE DUCT
(a) Remove the 2 screws <E> or <F> and remove the No. 1 side defroster
nozzle duct.
2. REMOVE NO. 2 SIDE DEFROSTER NO ...
Random Access Memory (RAM) (P0604)
MONITOR DESCRIPTION
The ECM continuously monitors its internal memory status. This self-check ensures
that the ECM is functioning properly. It is diagnosed by internal "mirroring" of
the main CPU and sub CPU to detect Random Access Memory (RAM) ...