id152000004700

1.Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.Remove the front bumper. (See FRONT BUMPER REMOVAL.) (See FRONT BUMPER INSTALLATION.)

3.Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

4.Verify that the voltages of each of the terminals are as indicated in the terminal voltage table (reference).

• If the voltage is not as specified in the terminal voltage table (reference), inspect the parts under Inspection item(s).
― If the system does not operate normally even though the inspection items are normal, replace the radar unit. (See RADAR UNIT REMOVAL/INSTALLATION.)


Terminal Voltage Table (Reference)

ac5uuw00003977

Terminal

Signal name

Connected to

Measurement condition

Voltage (V)

Inspection item (s)

A
B
GND
Body ground
Under any condition
1.0 or less
Related wiring harness
C
CAN_L
CAN related module
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
D
CAN_H
CAN related module
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
E
IG1
• IG1 relay
• C/U IG1 15 A fuse
Switch the ignition ON (engine off or on)
B+
• IG1 relay
• C/U IG1 15 A fuse
• Related wiring harness
Switch the ignition off (LOCK)
1.0 or less