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Diagnosis Procedure

CHECK STEERING SWITCH SIGNAL B (STEERING SWITCH TO TEL ADAPTER UNIT) CIRCUIT

Turn ignition switch OFF.
Disconnect TEL adapter unit connector and spiral cable connector.

Check continuity between TEL adapter unit harness connector and spiral cable harness connector.

TEL adapter unit		Spiral cable		Continuity
Connector	Terminal	Connector	Terminal	Continuity
B54	13	M33	31	Existed

Check continuity between TEL adapter unit harness connector and ground.

TEL adapter unit		Ground	Continuity
Connector	Terminal
B54	13		Not existed

Is the inspection result normal?

YES: GO TO 2.

NO: Repair harness or connector.

CHECK SPIRAL CABLE
Check spiral cable.

Is the inspection result normal?

YES: GO TO 3.

NO: Replace spiral cable. Refer to "EXPLODED VIEW ".

CHECK TEL ADAPTER UNIT VOLTAGE

Connect TEL adapter unit connector and spiral cable connector.
Turn ignition switch ON.

Check voltage between TEL adapter unit harness connector.

(+)		(-)		Voltage (Approx.)
TEL adapter unit
Connector	Terminal	Connector	Terminal
B54	13	B54	14	5.0 V

Is the inspection result normal?

YES: GO TO 4.

NO: Replace TEL adapter unit. Refer to "EXPLODED VIEW ".

CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to "COMPONENT INSPECTION ".
  Is the inspection result normal?
  
  YES: INSPECTION END
  
  NO: Replace steering switch. Refer to "EXPLODED VIEW ".