ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE
NOTE:
For the diagnostic procedure, refer to LAN section. Basic Diagnostic Procedure">
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when data received from TCM, VDC CM and combination meter is not normal.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. EXECUTION CONDITION
Secondary Parameters | Execution condition |
Battery voltage | ≥ 10.9 V |
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Judge as NG when the following conditions are established.
Malfunction Criteria | Threshold Value |
CAN data from instrument panel cluster control module | Did not change |
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Assembly
EXTERIOR/INTERIOR TRIM > Door TrimASSEMBLY1. Bend the claws while pushing the weather strip - door INN against the door trim so that there is no gap.CAUTION:Beware of the direction of folding the claws.(a)Rivet(b)Direction of folding claws(c)Claw bending direction: bend forward for LH side, backw ...
Removal
VEHICLE DYNAMICS CONTROL (VDC) > VDC OFF SwitchREMOVAL1. Disconnect the ground cable from battery. NOTE">2. Remove the cover assembly - instrument panel LWR driver OUT. Instrument Panel Lower Cover > REMOVAL">3. Remove the screws and release the claws, then detach the cover.4 ...
Access key - if access key does not operate properly
CAUTION
Keep metallic objects, magnetic
sources and signal transmitters
away from the area between the
access key and the push-button
ignition switch. They may interfere
with the communication between
the access key and the push-button
ignition switch.
The following functions may be inopera ...