Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

OK
NETWORK BODY ECU))
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
(a) Remove the main body ECU (multiplex network body ECU)
.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION CONDITION SPECIFIED CONDITION
MB-11 (GND1) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
(c) Connect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION SWITCH CONDITION SPECIFIED CONDITION
MB-30 (ACC) - Body ground Ignition switch ACC 11 to 14 V
MB-31 (BECU) - Body ground Always 11 to 14 V
MB-32 (IG) - Body ground Ignition switch ON 11 to 14 V
Text in Illustration
*1 Driver Side Junction Block
Result
RESULT PROCEED TO
OK A
NG (for BECU circuit) B
NG (for ACC circuit) C
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