On-Vehicle Inspection

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TURN SIGNAL FLASHER CIRCUIT

(w/o: Daytime Running Light)

Measure voltage between terminals as shown in Fig 1 .

Fig 1: Inspecting Turn Signal Flasher Circuit Chart (W/O Daytime Running Light)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TURN SIGNAL FLASHER CIRCUIT (W/O: DAYTIME RUNNING LIGHT)

Tester connection	Condition	Specified condition
1 - Ground	Turn ignition switch ON	Battery positive voltage
1 - Ground	Turn ignition switch OFF	No voltage
4 - Ground	Constant	Battery positive voltage
7 - Ground	Constant	Continuity

Connect the connector to the turn signal flasher, and turn the ignition switch to ON, and inspect the wire harness side connector from the back side as shown in Fig 2 .

Fig 2: Turn Signal Flasher Circuit Chart (W/O Daytime Running Light) (Back Side)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT TURN SIGNAL FLASHER CIRCUIT

(w/: Daytime Running Light)

Measure voltage between terminals as shown in Fig 3 .

Fig 3: Inspecting Turn Signal Flasher Circuit

TURN SIGNAL FLASHER CIRCUIT (W/DAYTIME RUNNING LIGHT)

Tester connection	Condition	Specified condition
9 - Ground	Constant	Continuity
1 - Ground	Turn ignition switch ON	Battery positive voltage
1 - Ground	Turn ignition switch OFF	No voltage
6 - Ground	Constant	Battery positive voltage

Connect the connector to the turn signal flasher and turn the ignition switch to ON, and inspect the wire harness side connector from the back side as shown in Fig 4 .

Fig 4: Turn Signal Flasher Circuit Chart (W/Daytime Running Light) (Back Side)

INSPECT TOWING CONVERTER RELAY
1. Measure voltage between terminals as shown in Fig 6 .
Fig 5: Inspecting Towing Converter Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: Towing Converter Relay Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002