Toyota Tacoma (2015-2018) Service Manual: Destination Information Undefined (C1AB8)
DESCRIPTION
This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor has been replaced.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AB8 |
The blind spot monitor sensor cannot communicate with the main body ECU (driver side junction block assembly). |
|
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch assembly (warning canceling switch assembly) is on.
PROCEDURE
|
1. |
CHECK DTC (CAN COMMUNICATION SYSTEM) |
(a) Check for CAN Communication System DTCs (See page
.gif)
).
OK:
CAN communication system DTCs are not output.
| NG | .gif) |
GO TO CAN COMMUNICATION SYSTEM |
|
.gif)
|
2. |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
(a) Replace the main body ECU (multiplex network body ECU) with a new or normally functioning one.
|
|
3. |
CHECK DTC |
(a) Recheck for DTCs and check if the same DTC is output again (See page
).
|
Result |
Proceed to |
|---|---|
|
No DTC is output |
A |
|
DTC is output from the blind spot monitor sensor LH (master) |
B |
|
DTC is output from the blind spot monitor sensor RH (slave) |
C |
| A | |
END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) |
| B | |
REPLACE BLIND SPOT MONITOR SENSOR LH |
| C | |
REPLACE BLIND SPOT MONITOR SENSOR RH |
Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete (C1ABC)
DESCRIPTION
This DTC is stored when a beam axis inspection has not been performed for the
blind spot monitor sensor RH.
HINT:
This DTC is always stored after replacing a blind spot monitor sensor ...
Blind Spot Monitor Master Module Beam Axis Inspection Incomplete (C1ABB)
DESCRIPTION
This DTC is stored when a beam axis inspection has not been performed for the
blind spot monitor sensor LH.
HINT:
This DTC is always stored after replacing a blind spot monitor sensor ...
Other materials:
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction
in the ECU itself or in system circuits.
The DTCs can be read through the DLC3 of the vehicle. When the system seems to
be malfunctioning, use the Techstream to check for malfunctions ...
TS and CG Terminal Circuit
DESCRIPTION
In Test Mode (signal check), a malfunction in the speed sensor that cannot be
detected when the vehicle is stopped can be detected while driving.
Sensor check mode can be entered by connecting terminals TS and CG of the DLC3
and turning the ignition switch from off to ON.
WIRING D ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING GEAR BOLT
(a) Remove the camshaft timing oil control solenoid assembly (See page
).
(b) Check that the plunger strokes when the plunger in the center of
the camshaft timing gear bolt is pressed.
Standard stroke:
4 ...
