Toyota Tundra (2015 year). Manual — part 1669
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000004UB4009X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: U0155; Lost Communication with Instrument Panel
Cluster Control Module (Combination Meter); 2015 MY Tundra [08/2014 - ]
DTC
U0155
Lost Communication with Instrument Panel Cluster Control Module
(Combination Meter)
DESCRIPTION
The ECM receives signals sent from the combination meter via the CAN communication system. When DTCs
indicating a CAN communication system malfunction are output, repair the CAN communication system before
repairing each corresponding ECU or sensor.
DTC
NO.
DTC DETECTION CONDITION
TROUBLE AREA
U0155
Following conditions are met for 2.9 seconds (1 trip
detection logic):
Ignition switch to ON.
a.
Battery voltage is 10.5 V or higher.
b.
There is no communication between the ECM
and combination meter.
c.
CAN communication
system
Combination meter
ECM
MONITOR STRATEGY
Related DTCs
U0155: Verify communication
Required Sensors/Components (Main)
ECM
Required Sensors/Components (Related)
-
Duration
2.9 seconds
MIL Operation
Immediate
TYPICAL ENABLING CONDITIONS
Monitor runs whenever following DTCs are not present
None
Battery Voltage
10.5 V or higher
Ignition switch
ON
Starter
OFF
TYPICAL MALFUNCTION THRESHOLDS
Communication signal
Lost communication with combination meter
CONFIRMATION DRIVING PATTERN
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: U0155; Lost...
Connect the Techstream to the DLC3.
1.
Turn the ignition switch to ON and turn the Techstream on.
2.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure)
.
3.
Turn the ignition switch off and wait for at least 30 seconds.
4.
Turn the ignition switch to ON and turn the Techstream on.
5.
Wait 5 seconds or more.
6.
Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
7.
Read the DTCs.
HINT:
If a DTC is output, the system is malfunctioning.
If a DTC is not output, perform the following procedure.
8.
Enter the following menus: Powertrain / Engine and ECT / Utility / All Readiness.
9.
Input the DTC: U0155.
10.
Check the DTC judgment result.
TECHSTREAM
DISPLAY
DESCRIPTION
NORMAL
DTC judgment completed
System normal
ABNORMAL
DTC judgment completed
System abnormal
INCOMPLETE
DTC judgment not completed
Perform driving pattern after confirming DTC enabling conditions
N/A
Unable to perform DTC judgment
HINT:
If the judgment result shows ABNORMAL, the system has a malfunction.
11.
If the test result is INCOMPLETE or N/A and no DTC is output, perform a universal trip and check
for permanent DTCs
.
HINT:
If a permanent DTC is output, the system is malfunctioning.
If no permanent DTC is output, the system is normal.
12.
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK DTC OUTPUT (DTC U0155)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: U0155; Lost...
(d) Read DTCs.
Result
RESULT
PROCEED TO
No output
A
U0155
B
B
GO TO CAN COMMUNICATION SYSTEM (HOW TO
PROCEED WITH TROUBLESHOOTING)
A
CHECK FOR INTERMITTENT PROBLEMS
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: U0155; Lost...
OK
OK
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000004U24009X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Injection System; 2015 MY Tundra [08/2014 -
]
Fuel Injection System
DESCRIPTION
This inspection procedure should be performed when the air-fuel ratio is extremely rich or lean.
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK PCV HOSE CONNECTIONS
(a) Check the PCV hose connections
.
OK:
PCV hose is connected correctly and is not damaged.
NG
REPAIR OR REPLACE PCV HOSE
2.
CHECK AIR INDUCTION SYSTEM
HINT:
If a malfunction occurs when depressing the brake pedal, inspect the brake booster assembly, as there
may be a vacuum leak in the brake booster assembly itself.
(a) Check the air induction system for vacuum leakage
.
OK:
No leakage from air induction system.
NG
REPAIR OR REPLACE AIR INDUCTION SYSTEM
3.
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE INJECTION
VOLUME)
3UR-FBE ENGINE CONTROL SYSTEM: SFI SYSTEM: Fuel Injectio...
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