Inspection Procedure

CHECK OPERATION (STARTER)
1. Check that the starter operates normally and that the engine starts.
1. NO: GO TO ENGINE TROUBLESHOOTING
2. YES: GO TO NEXT STEP.
INPUT SIGNAL CHECK
1. See input signal check PRE-CHECK .
2. Check the indicator light when shifting into except D position.
  OK:
  
  The indicator light goes off when shifting into except D position.
  
  Fig 1: Identifying Input Signal & Indicator Light Blinking Pattern
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
2. NG: GO TO NEXT STEP.

INSPECT TERMINAL VOLTAGE (D)

Measure voltage between terminal 4 (D) of cruise control ECU assy connector and body ground when shifting into D position and other positions.

OK:

Fig 2: Identifying D (+) Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

SHIFT POSITION VOLTAGE

Shift Position	Voltage
D position	10 - 16 V
Other positions	Below 1 V

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
NG: GO TO NEXT STEP.

CHECK HARNESS AND CONNECTOR (BETWEEN CRUISE CONTROL ECU ASSY AND PARK/NEUTRAL POSITION SW)
1. Check for open and short circuit in harness and connector between cruise control ECU assy and park/neutral position switch (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
2. OK: CHECK AND REPLACE CRUISE CONTROL ECU ASSY (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )