Turn Signal & Hazard Warning System: Inspection

INSPECT TURN SIGNAL SWITCH CONTINUITY

SWITCH POSITION SPECIFIED CONDITION

If continuity is not as specified, replace the switch.

Fig 1: Identifying Turn Signal Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Connector disconnected: INSPECT TURN SIGNAL SWITCH CIRCUIT

Disconnect the connector from the combination switch and inspect the connector on the wire harness side, as shown.

Fig 2: Identifying Turn Signal Switch Connector Terminals (Wire Harness Side)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
2 - Ground	Always	Continuity

If circuit is not as specified, inspect the wire harness.

Connector connected: INSPECT TURN SIGNAL SWITCH CIRCUIT

Connect the wire harness side connector to the combination switch and inspect the connector form the back side, as shown.

Fig 3: Identifying Turn Signal Switch Connector Terminals (Form Back Side)

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
2 - Ground	Ignition switch ON and turn signal switch Neutral	No voltage
1 - Ground	Ignition switch ON and turn signal switch Left	Battery Positive Voltage <--> 0 V
3 - Ground	Ignition switch ON and turn signal switch Right	Battery Positive Voltage <--> 0 V

If circuit is not as specified, inspect the circuits connected to other parts.