Indicator Circuit: Procedure

WARNING: This page is about a different variant/trim than selected.

CHECK HARNESS AND CONNECTOR (BATTERY - COMBINATION METER ASSEMBLY)

Disconnect the L27 combination meter assembly connector.

Fig 1: Identifying Combination Meter Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the voltage according to the value(s) in the table below.

Standard Voltage

Tester Connection	Switch Condition	Specified Condition
L27-19 (IG+) - Body ground	Power switch on (IG)	11 to 14 V
L27-19 (IG+) - Body ground	Power switch off	Below 1 V

TEXT IN ILLUSTRATION

*1	Front view of wire harness connector (to Combination Meter Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT LEVELING ECU ASSEMBLY)

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
A48-6 (WNG) - L27-6 (LVWG)	Always	Below 1 Ω
A48-6 (WNG) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

INSPECT NO. 3 METER CIRCUIT PLATE

Reconnect the L27 combination meter assembly connector.

Fig 2: Identifying No. 3 Meter Assembly Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the voltage according to the value(s) in the table below.

Standard Voltage

Tester Connection	Switch Condition	Specified Condition
L27-6 (LVWG) - Body ground	Power switch on (IG)	11 to 14 V

TEXT IN ILLUSTRATION

*1	Component with harness connected (Combination Meter Assembly)

NG → See step 4

OK → See step 5

REPLACE NO. 3 METER CIRCUIT PLATE. Refer to DISASSEMBLY
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE