On-Vehicle Inspection

WARNING: This page is about a different car, the 2006 Scion tC. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TURN SIGNAL FLASHER OPERATION

Inspect the power source circuit and ground circuit

Remove the turn signal flasher relay from the instrument panel junction block assembly.

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

Fig 1: Identifying Turn Signal Flasher Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard voltage

CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
1 - Body ground	Ignition switch OFF	Below 1 V
1 - Body ground	Ignition switch ON	10 to 14 V
4 - Body ground	Always	10 to 14 V

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

CONNECTOR TERMINAL RESISTANCE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
7 - Body ground	Always	Below 1 Ω

Inspect the output operation signal.
1. Install the turn signal flasher relay to the instrument panel junction block assembly.
2. Measure the voltage according to the value(s) in the table below.
  
  Fig 2: Identifying Panel Junction Block Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard voltage

CONNECTOR TERMINAL VOLTAGE SPECIFICATIONS

Tester Connection	Condition	Specified Condition
1A-27 - Body ground	Hazard warning switch OFF	0 V
1A-27 - Body ground	Hazard warning switch ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1A-27 - Body ground	Turn signal switch (left turn) OFF	0 V
1A-27 - Body ground	Turn signal switch (left turn) ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1A-28 - Body ground	Hazard warning switch OFF	0 V
1A-28 - Body ground	Hazard warning switch ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1A-28 - Body ground	Turn signal switch (right turn) OFF	0 V
1A-28 - Body ground	Turn signal switch (right turn) ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1B-14 - Body ground	Hazard warning signal OFF	0 V
1B-14 - Body ground	Hazard warning signal ON	0 above 9 V (60 to 120 times per minute)
1B-14 - Body ground	Turn signal switch (left turn) OFF	0 V
1B-14 - Body ground	Turn signal switch (left turn) ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1B-31 - Body ground	Hazard warning signal OFF	0 V
1B-31 - Body ground	Hazard warning signal ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1B-31 - Body ground	Turn signal switch (right turn) OFF	0 V
1B-31 - Body ground	Turn signal switch (right turn) ON	0 above 9 V (60 to 120 times per minute)
1S-11 - Body ground	Turn signal switch (left turn) OFF	Above 9 V
1S-11 - Body ground	Turn signal switch (left turn) ON	0 V
1S-12 - Body ground	Turn signal switch (right turn) OFF	Above 9 V
1S-12 - Body ground	Turn signal switch (right turn) ON	0 V
1S-13 - Body ground	Hazard warning signal OFF	0 V
1S-13 - Body ground	Hazard warning signal ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1S-13 - Body ground	Turn signal switch (left turn) OFF	0 V
1A-13 - Body ground	Turn signal switch (left turn) ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1S-16 - Body ground	Hazard warning switch OFF	0 V
1S-16 - Body ground	Hazard warning switch ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1S-16 - Body ground	Turn signal switch (right turn) OFF	0 V
1S-16 - Body ground	Turn signal switch (right turn) ON	Alternating between 0 to 9 V (60 to 120 times per minute)
1S-17 - Body ground	Hazard switch OFF	Above 9 V
1S-17 - Body ground	Hazard switch ON	0 V