Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 331
ME–56
METER – METER / GAUGE SYSTEM
ME
Result
B
A
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch ON and turn the tester ON.
(c) Enter the following menus: DIAGNOSIS / OCCUPANT
DETECT /DTC INFO.
Result
B
A
(a) Disconnect the E29 center airbag sensor assembly
connector.
(b) Disconnect the E13 combination meter assembly
connector.
Result
Proceed to
No SRS DTCs are output
A
SRS DTCs are output
B
GO TO SUPPLEMENTAL RESTRAINT
SYSTEM
6
CHECK OCCUPANT CLASSIFICATION SYSTEM
Result
Proceed to
No occupant classification system
DTCs are output
A
Occupant classification system
DTCs are output
B
GO TO OCCUPANT CLASSIFICATION
SYSTEM
7
CHECK HARNESS AND CONNECTOR (CENTER AIRBAG SENSOR ASSEMBLY -
COMBINATION METER ASSEMBLY)
METER – METER / GAUGE SYSTEM
ME–57
ME
(c) Measure the resistance.
Standard resistance
(d) Reconnect the center airbag sensor assembly
connector.
(e) Reconnect the combination meter assembly connector.
NG
OK
Wire Harness Side:
Center Airbag Sensor Assembly Connector
Combination Meter Assembly Connector
Front View
E29
E13
PBEW
PBKL
B137690E01
Tester Connection
Specified Condition
E29-13 (PBEW) - E13-10 (PBKL)
Below 1
Ω
REPAIR OR REPLACE HARNESS OR
CONNECTOR
REPLACE COMBINATION METER ASSEMBLY
ME–58
METER – METER / GAUGE SYSTEM
ME
DESCRIPTION
The combination meter assembly controls the combination meter illumination in accordance with the light
control signals from the light control rheostat.
WIRING DIAGRAM
INSPECTION PROCEDURE
(a) Remove the TAIL fuse from the main body ECU.
(b) Measure the resistance.
Standard resistance:
Below 1
Ω
(c) Reinstall the TAIL fuse.
NG
OK
Operating Light Control Rheostat does not Change Light Brightness
1
INSPECT FUSE (TAIL)
TAIL
Headlight
Dimmer Switch
Light Control Rheostat
Combination Meter
Assemmbly
Each Illumination Part
E
ILL-
T
T
EL
ILL-
To Battery
Main Body ECU
(J/B)
TAIL
TRLY
TAIL
E126881E02
REPLACE FUSE
METER – METER / GAUGE SYSTEM
ME–59
ME
(a) Disconnect the E4 light control rheostat connector.
(b) Measure the voltage and resistance.
Standard
(c) Reconnect the light control rheostat connector.
NG
OK
(a) Remove the light control rheostat but without
disconnecting the connector.
(b) Turn the ignition switch ON.
(c) Using an oscilloscope, check the signal waveform of the
light control rheostat.
OK:
Waveform is as shown in the illustration.
HINT:
Duty ratio changes as the illumination dims. (A becomes
longer)
(d) Reinstall the light control rheostat.
NG
OK
2
CHECK HARNESS AND CONNECTOR (FUSE (TAIL) - RHEOSTAT, RHEOSTAT - BODY
GROUND)
Wire Harness Side:
E4
Light Control Rheostat Connector
T
Front View
E
E126877E01
Tester Connection
Condition
Specified Condition
E4-4 (T) - Body ground
Tail light ON
11 to 14V
E4-5 (E) - Body ground
Always
Below 1
Ω
REPAIR OR REPLACE HARNESS OR
CONNECTOR
3
INSPECT LIGHT CONTROL RHEOSTAT
Light Control Rheostat
E4
-
Waveform :
A
GND
Component Side:
E126879E01
Item
Contents
Terminal connection
E4-3 (-) - Body ground
Tool setting
5V / DIV, 50ms / DIV
Vehicle condition
Ignition switch ON
REPLACE LIGHT CONTROL RHEOSTAT
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