DETERMINING OPEN CIRCUIT LOCATION (MS-CAN) [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (MZR-CD 2.2, MZR 2.0 DISI i-stop))]
id0902n0837700
1. Verify DTCs of the modules related to the CAN system.
2. Apply the communication error DTC and the failed module to Diagnostic Table for Determining Malfunctioning Part, and select the possible cause for the diagnostic result and the reference for the inspection item.
3. Inspect the possible cause and inspection item of the applicable malfunctioning part.
4. After repairing, return to CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [MULTIPLEX COMMUNICATION SYSTEM (R.H.D. (MZR-CD 2.2, MZR 2.0 DISI i-stop))] and verify that the repairs have been completed.
Diagnostic Table for Determining Malfunctioning Part
DTC display
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DTC display pattern
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DTC output module
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DTC
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Information display*2
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U0164 EATC
|
×
|
|
×
|
×
|
|
|
|
U0181 HEC
|
×
|
|
×
|
|
|
×
|
|
|
U0184 ACU
|
×
|
|
×
|
|
×
|
|
|
|
MID*1
(Multi information display)
|
U0155
|
|
|
|
|
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×
|
|
U0164
|
|
|
|
×
|
|
|
|
|
U0184
|
|
|
|
|
×
|
|
|
|
EATC*1
(Climate control unit)
|
U0155:00
|
|
|
|
|
|
×
|
|
U0156:00
|
×
|
|
×
|
|
|
|
|
|
ACU*1
(Audio unit)
|
U0155:00
(16:Er11*2, 17:Er12*2)
|
|
|
|
|
|
×
|
|
U0156:00
|
×
|
|
×
|
|
|
|
|
|
U0197:00
|
|
×
|
×
|
|
|
|
|
|
IC*1
(Instrument cluster)
|
U0156:00
|
×
|
|
×
|
|
|
|
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U0164:00
|
|
|
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×
|
|
|
|
|
M-MDS display module
|
“Fail” display pattern
|
|||||||
MID
|
×
|
|
×
|
|
|
|
|
|
EATC
|
|
|
|
×
|
|
|
|
|
ACU
|
|
|
|
|
×
|
|
|
|
IC
|
|
|
|
|
|
×
|
|
|
Diagnostic result
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||||||||
Possible cause and inspection item
|
A
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B
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C
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D
|
E
|
F
|
G
|
|
Reference page
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A
With car-navigation system
System wiring diagram
am3zzw00011258
|
Without car-navigation system
System wiring diagram
am3zzw00011259
|
B
Possible cause
System wiring diagram
am3zzw00011260
|
Inspection item
C
Possible cause
System wiring diagram
am3zzw00011261
|
Inspection item
D
Possible cause
System wiring diagram
am3zzw00011262
|
Inspection item
E
Possible cause
System wiring diagram
am3zzw00011263
|
Inspection item
F
Possible cause
System wiring diagram
am3zzw00011264
|
Inspection item
G
Possible cause
System wiring diagram
am3zzw00013273
|
Inspection item