Toyota FJ Cruiser (GSJ 10, 15 series). Instruction - part 344

MULTIPLEX COMMUNICATION  –  MULTIPLEX COMMUNICATION SYSTEM

MP–17

MP

OK

(a) Disconnect the S2 back door ECU connector.
(b) Check the resistance.

Standard resistance

(c) Reconnect the ECU connector.

NG

OK

3

CHECK BACK DOOR ECU (GROUND)

1

8

7

6

5

4

3

2

Wire Harness Side:

Back Door ECU

GND

S2

Front View

B137572E05

Tester Connection

Specified Condition

S2-3 (GND) - Body ground

Below 1 

Ω

REPAIR OR REPLACE HARNESS OR 
CONNECTOR

REPLACE BACK DOOR ECU

PARK ASSIST / MONITORING  –  CLEARANCE SONAR SYSTEM

PM–1

PM

CLEARANCE SONAR SYSTEM

PRECAUTION

1.

DISCONNECT AND RECONNECT CABLE OF 
NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) 
battery terminal, initialize the following systems after 
the cable is reconnected.

(a) Before performing electronic work, disconnect the 

cable from the negative (-) battery terminal in order 
to prevent it from shorting and burning out.

(b) Before disconnecting and reconnecting the battery 

cable, turn the ignition switch OFF and the headlight 
dimmer switch OFF. Then loosen the terminal nut 
completely. Do not damage the cable or terminal.

(c) When the battery cable is disconnected, the clock 

and radio settings and stored DTCs are erased. 
Therefore, before disconnecting the battery cable, 
make a notes of them.

System Name

See procedure

METER / GAUGE SYSTEM

See page 

ME-10

Negative (-) 
Battery Terminal

Cable

D033496E01

PM–2

PARK ASSIST / MONITORING  –  CLEARANCE SONAR SYSTEM

PM

PARTS LOCATION

NO. 1 ULTRASONIC SENSOR (LH)

NO. 1 ULTRASONIC SENSOR (RH)

CLEARANCE WARNING ECU

CLEARANCE WARNING BUZZER

BACK SONAR SWITCH
ASSEMBLY

MAIN BODY ECU  
(DRIVER SIDE J/B)
- IG1 FUSE

IGNITION SWITCH

I102667E01

PARK ASSIST / MONITORING  –  CLEARANCE SONAR SYSTEM

PM–3

PM

PARK / NEUTRAL POSITION SWITCH

FOR A/T:

BACK-UP LIGHT SWITCH

FOR M/T:

B140771E01