DESCRIPTION
Based on changes in the power source voltage, the main body ECU (multiplex network body ECU) can detect if the battery has been disconnected and reconnected.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
*1: w/ Smart Key System
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (POWER SUPPLY) |
(a) Disconnect the 3F instrument panel junction block assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3F-1 - Body ground |
Always |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
(a) Remove the main body ECU (multiplex network body ECU).
Click here
*a |
Component without harness connected (Instrument Panel Junction Block Assembly) |
- |
- |
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3F-1 - MB-31 (BECU) |
Always |
Below 1 Ω |
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG | ![]() |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
Toyota CH-R Service Manual > Rocker Panel Moulding: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE
1. INSTALL ROCKER PANEL MOULDING
(a) Engage the clips to install the rocker panel moulding as shown in the illustration.
...
Toyota CH-R Service Manual > Safety Connect System: Manual (SOS) Switch Red Indicator Malfunction (B1570)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects an open or short
in the manual (SOS) switch red indicator circuit of the manual (SOS) switch.
The manual (SOS) switch red indicator illuminates for 2 seconds and goes off
when the ignition switch turned to ON. If a ma ...