Toyota Corolla 2004 DIAGNOSTICS – AUDIO SYSTEM
05–605
–DIAGNOSTICS AUDIO SYSTEM (April, 2003)
05601–02
DIAGNOSTIC TROUBLE CODE CHART
Terms Meaning
Physical address
Logical address Two–digit code (shown in hexadecimal) which is given to each function comprising
1. RADIO RECEIVER ASSY (Physical address: 190)
HINT:
*1: Even if no failure is detected, it may be stored depending on the battery condition or voltage for
starting an engine.
*2: It is stored when 180 sec. has passed after the power supply connector is pulled out after engine
start.
*3: It may be stored when the engine key is turned 1 min. after engine start.
*4: It may be stored when the engine key is turned again after engine start.
*5: When 210 sec. has passed after pulling out the power supply connector of the master component
with the ignition switch in ACC or ON, this code is stored.
(a) Logical address: 01 (Communication control)
Three–digit code (shown in hexadecimal) which is given to each component comprising the AVC–LAN.
Corresponding to the function, individual symbols are specified.
the inner system of the AVC–LAN.
DTC Diagnosis item Description Action to be taken
22 RAM Error Abnormal condition of RAM is detected. Replace radio receiver assy.
D6*1Absence of Master Component in which this code is recorded
had been disconnected from system or
master component with ignition in ACC or
ON.
D7*5Connection check Error Component in which this code is recorded
had been disconnected from system or
master component ignition with in ACC or
ON.
D8*2No Response to Connection Check Component shown by sub code is or had
been disconnected from system after engine
start.
D9*1Last Mode Error Audio or visual component operated before
engine stop is or had been disconnected
with ignition switch in ACC or ON.
DA No Response to ON/OFF Instruction No response is identified when changing
mode (audio and visual mode change).
Detected when sound and picture does not
change by button operation.
DB*1Mode Status Error Dual alarm is detected. Check harness for power supply of compo-
Transmission Error Transmission to component shown by auxil-
DC
*3
iary code has been failed.
(Detecting this DTC does not necessarily
mean actual failure.)
Check harness for power supply system of
radio receiver assy.
Check harness for communication system
of radio receiver assy.
Check harness for power supply of radio
receiver assy.
Check harness for communication system
of radio receiver assy.
Check harness for power supply system of
component shown by sub code.
Check harness for communication system
of component shown by sub code.
Check harness for power supply system of
component shown by sub code.
Check harness for communication system
of component shown by sub code.
Check harness for power supply system of
component shown by sub code.
Check harness for communication system
of component shown by sub code.
If error occurs again, replace component
shown by sub code.
nent shown by sub code.
Check harness for communication system
of component shown by sub code.
If same sub code is recorded in other component, check harness for power supply and
communication system of all components
shown by code.
(If not, delete DTC and recheck.)
2004 COROLLA (RM1037U)
770Author: Date:
05–606
–DIAGNOSTICS AUDIO SYSTEM (April, 2003)
DD*4Master Reset (Momentary Interruption) After engine is started, master component
had been disconnected from system.
DE*4Slave Reset (Momentary Interruption) After engine is started, component shown by
sub code had been disconnected from system.
E0*1Registration Completion Instruction Error ”Registration Completion Instruction” com-
mand from master cannot be received.
E2 ON/OFF Instruction Parameter Error Error occures in ON/OFF controlling com-
mand from master component.
Registration Request Transmission Registration Request command is output
E3
*1
from component shown by sub code.
Receiving Connection Check Instruction,
Registration Request command is output
from sub–master component.
Check harness for power supply system of
multi–display.
Check harness for communication system
of radio receiver assy.
If this error occurs frequently, replace radio
receiver assy.
Check harness for power supply of compo-
nent shown by sub code.
Check harness for communication system
of component shown by sub code.
Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
Replace radio receiver assy
Since this DTC is provided for engineering
purpose, it may be detected when no actual
failure exists.
(b) Logical address: 61 (Cassette switch)
DTC Diagnosis item Description Action to be taken
40 Mechanical Error of Media Malfunction due to mechanical failure is
identified.
Or cassette tape is cut or entangled.
41 EJECT Error Malfunction due to mechanical failure. Replace radio receiver assy.
42 Tape caught in the radio receiver assy Hub lock etc. Inspect cassette tape.
Inspect cassette tape.
Replace radio receiver assy.
(c) Logical address: 62 (CD player)
DTC Diagnosis item Description Action to be taken
No Disc Readout Disc cannot be read. Inspect CD.
42
44 CD player Error Error is detected in CD player. Replace radio receiver assy.
45 EJECT Error Magazine cannot be ejected. Replace radio receiver assy.
Scratched/Reversed Disc Scratches or dirt is found on CD surface or
46
CD is set upside down.
Replace radio receiver assy.
Inspect CD.
2004 COROLLA (RM1037U)
771Author: Date:
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