Toyota Tacoma 2015-2018 Service Manual: Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION
The No. 1 ultrasonic sensor (rear center sensor RH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear center sensor RH). If the No. 1 ultrasonic sensor (rear center sensor RH) has an open circuit or other malfunction, it will not function normally.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1AE8 |
A malfunction of the No. 1 ultrasonic sensor (rear center sensor RH). |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the ignition switch to ON and turn the
back sonar or clearance sonar switch assembly on. Then clear the DTCs (See page
.gif)
).
PROCEDURE
|
1. |
CHECK DTC OUTPUT |
(a) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
Only DTC C1AE8 is output |
A |
|
DTC C1AE8 and C1AED are output |
B |
|
No DTCs are output |
C |
| B | .gif) |
GO TO DTC (C1AED) |
| C | |
USE SIMULATION METHOD TO CHECK |
|
.gif)
|
2. |
REPLACE NO. 1 ULTRASONIC SENSOR (REAR CENTER SENSOR RH) |
(a) Replace the No. 1 ultrasonic sensor (rear center sensor RH) with a known
good one (See page ).
HINT:
All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
|
|
3. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
|
Result |
Proceed to |
|---|---|
|
No DTCs are output |
OK |
|
DTC C1AE8 is output |
NG |
| OK | |
END (REAR CENTER SENSOR RH WAS DEFECTIVE) |
| NG | |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)
DESCRIPTION
These DTCs are stored when the clearance warning ECU assembly cannot receive
and recognize several signals via the CAN communication system.
DTC No.
DTC Detection ...
Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION
The No. 1 ultrasonic sensor (rear corner sensor RH) is installed on the rear
bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic
sensor (rear corner ...
Other materials:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STARTER YOKE ASSEMBLY
(a) Remove the nut and disconnect the lead wire from terminal C.
(b) Remove the 2 bolts.
(c) Pull out the starter yoke assembly and commutator end frame together with
the starter armatur ...
Glass Position Initialization Incomplete (B2313)
DESCRIPTION
The power window regulator motor assembly is operated by the power window regulator
master switch assembly or power window regulator switch assembly. The power window
regulator motor assembly has motor, regulator and ECU functions.
When the ECU determines that the power window regu ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL MASTER CYLINDER RESERVOIR GROMMET
(a) Apply lithium soap base glycol grease to 2 new grommets.
(b) Install the 2 grommets onto the brake master cylinder reservoir.
2. INSTALL BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Install the brake master cylinder reservoi ...