Toyota Corolla Cross: Precaution
PRECAUTION
PRECAUTION FOR POWER DISTRIBUTION BOX ASSEMBLY
(a) Do not remove or install the power distribution box assembly with the negative (-) auxiliary battery terminal connected.
NOTICE:
- After the ignition switch is turned off, there may be a waiting time before
disconnecting the negative (-) auxiliary battery terminal.
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- When disconnecting and reconnecting the auxiliary battery.
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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(b) Make sure that the power distribution box assembly is not exposed to water, as it is not waterproof.
(c) Some loads are connected to circuits with dedicated overcurrent protection. Therefore, do not use parts other than those specified for the vehicle.
(d) When replacing the power distribution box assembly, the system may not operate normally if the same part number is not used.
(e) Confirm that all related systems are operating normally before proceeding with troubleshooting.
READ NEXT:
Parts Location
PARTS LOCATION
ILLUSTRATION
*1
for HEV Model
-
-
*3
NO. 1 ENGINE ROOM RELAY BLOCK
- INP STD NO. 1
- INP STD NO. 2
-
System Diagram
SYSTEM DIAGRAM
System Description
SYSTEM DESCRIPTION
LOAD OPERATION OUTPUT
(a) Load is turned on or off according to the operation signals and switch signals
from each ECU.
Components
Power Distribution Box
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Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT
NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Click here CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY)
Procedure Part Name Code
Inspection
INSPECTION PROCEDURE 1. INSPECT SERVICE PLUG GRIP
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition Specified Condition
Service Plug Grip
Always Below 1 Ω
If the result is
