Toyota Tacoma (2015-2018) Service Manual: Main Switch Power Source Circuit
DESCRIPTION
This circuit supplies power to the wireless charger main switch (mobile wireless charger switch) and illuminates the switch indicator light when the wireless charger main switch (mobile wireless charger switch) is turned on.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (WIRELESS CHARGER MAIN SWITCH (MOBILE WIRELESS CHARGER SWITCH) POWER SOURCE) |
(a) Disconnect the M7 wireless charger main switch (mobile wireless charger switch) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M7-12 (GND) - Body ground |
Always |
Below 1 Ω |
|
M7-11 (ACC) - Body ground |
Always |
10 kΩ or higher |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
M7-11 (ACC) - M7-12 (GND) |
Ignition switch ACC |
11 to 14 V |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Terminals Of Ecu
TERMINALS OF ECU
1. MOBILE WIRELESS CHARGER CRADLE ASSEMBLY
Tester Connection
Wiring Color
Terminal Description
Condition
Specified Condition ...
Other materials:
Cruise Main Indicator Light Circuit
DESCRIPTION
When the dynamic radar cruise control system is turned on using the cruise control
main switch (ON-OFF button), the cruise control indicator (vehicle-to-vehicle distance
control mode) illuminates. The ECM uses this and other indicators to indicate the
control condition (presence o ...
Terminals Of Ecu
TERMINALS OF ECU
Text in Illustration
*a
Component without harness connected
(Skid Control ECU [Brake Actuator Assembly])
-
-
Terminal No. (Symbol)
Terminal Description
1 (GND2)
Pump motor g ...
Radar Cruise Control Presence Determination Malfunction (Engine / HV) (C1A52)
DESCRIPTION
DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor
assembly.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
C1A52
Radar Cruise Control Presence Determin ...
