Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY TECHSTREAM (FUEL GAUGE)

Connect the Techstream to the DLC3.
Turn the ignition switch ON and turn the tester ON.

Enter the following menus: Body Electrical / Combination Meter / Active Test.

Fig 1: Identifying No. 1 And 8 Segment

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Body Electrical / Combination Meter / Active Test:

BODY ELECTRICAL / COMBINATION METER / ACTIVE TEST

Item	Test Details	Diagnostic Note
Fuel Meter Operation	EMPTY: Segment No.1 flashes 1/2: Segments No.1 to 4 illuminate FULL: Segments No.1 to 8 illuminate	-

OK:

Fuel receiver gauge segments are illuminated in accordance with the tester instructions.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

READ VALUE OF TECHSTREAM (FUEL GAUGE)

Connect the Techstream to the DLC3.
Turn the ignition switch ON and turn the tester ON

Select the item below from the Data List, and read the value displayed on the Techstream.

Body Electrical / Combination Meter / Data List:

BODY ELECTRICAL / COMBINATION METER / DATA LIST

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
Fuel Input (A/D)	Fuel input signal /Min.: 0, Max.: 255	Fuel receiver gauge segments No.1 to No.8 illuminate: 14 to 34 No.1 to No.6 (No.7) illuminate: 77 to 109 No.1 to No.4 (No.5) illuminate: 135 to 172 No.1 and No.2 illuminate: 175 to 188 No.1 flashes: 194 to 200	-

OK:

Fuel input signal displayed on the tester is approximately the same as indication.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK COMBINATION METER ASSEMBLY

Disconnect the J5 fuel sender gauge assembly connector.

Fig 2: Identifying Combination Meter Assembly Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the combination meter assembly with its connectors connected.

Measure the voltage.

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
D1-3 (L) - Body ground	Ignition switch ON	11 to 14V

Reconnect the fuel sender gauge assembly connector.
Reinstall the combination meter assembly.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly.
Check that the float position is between E and F.

Fig 3: Identifying Float Position
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance between terminals 2 and 1 of the fuel sender gauge connector.

Standard resistance

FLOAT SPECIFICATION

Float Level	Float Position (mm (in.))	Specified Condition
F	77.3 (3.04) to 79.3 (3.12)	15 Ω to 18 Ω
1/2	1.6 (0.05)	208.3 Ω
Warning A	34.8 (1.37)	365.2 Ω
Warning B	25.3 (1.00)	388.2 Ω
E	75.0 (2.95) to 77.0 (3.03)	410.0 a to 415 Ω

Reinstall the fuel sender gauge assembly.

NG: REPLACE FUEL SENDER GAUGE ASSEMBLY

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FUEL SENDER GAUGE ASSEMBLY)

Disconnect the D1 combination meter assembly connector.

Fig 4: Identifying Combination Meter And Fuel Sender Gauge Assembly Connector Terminals

Disconnect the J5 fuel sender gauge assembly connector.

Measure the resistance.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Specified Condition
D1-3 (L) - J5-2	Below 1 Ω
J5-3 - Body ground	Below 1 Ω

Reconnect the combination meter assembly and fuel sender gauge assembly connectors.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE COMBINATION METER ASSEMBLY