Toyota Tacoma (2015-2018) Service Manual: Radio Receiver Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the radio and display receiver assembly.
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 (RADIO AND DISPLAY RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) |
|
(a) Disconnect the radio and display receiver assembly connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
R30-7 (GND1) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
R30-4 (+B1) - R30-7 (GND1) |
Always |
11 to 14 V |
|
R30-3 (ACC1) - R30-7 (GND1) |
Ignition switch ACC |
11 to 14 V |
|
R31-1 (IG) - R30-7 (GND1) |
Ignition switch ON |
11 to 14 V |
|
*a |
Front view of wire harness connector (to Radio and Display Receiver Assembly) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The radio and display receiver assembly and telephone microphone assembly are
connected to each other using the microphone connection detection signal lines.
Using this circuit, the ra ...
Other materials:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in
the table below and proceed to the "See page" given.
*1: "Comes on" means the Malfunction Indicator Lamp (MIL) illuminates.
*2: "DTC stored" means ...
Unable to Unlock Steering Wheel (Engine cannot Start)
DESCRIPTION
The steering lock actuator assembly activates the steering lock motor and moves
the lock bar into the steering column to lock the steering.
The steering may not unlock when the lock bar gets stuck in the lock hole of
the steering column. In this case, if the engine switch is turned ...
Cargo Light Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT DECK LIGHT SWITCH ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Compone ...
