Cruise Control Systems DTCS

CRUISE CONTROL SYSTEMS DTCS

OEM Code

Test Procedures

Description

1 2 3 ⁽²⁾, ⁽³⁾

Short In Actuator Motor Circuit

1 2 3 ⁽²⁾, 7 ⁽³⁾

Open In Actuator Magnetic Clutch Ckt For 0.8 Second

1 2 3 ⁽²⁾,7 ⁽³⁾

Short In Actuator Magnetic Clutch Ckt

1 2 3 ⁽²⁾, ⁽³⁾

Actuator Position Sensor Detects Abnormal Voltage

1 2 3 ⁽²⁾, ⁽³⁾

Open In Actuator Motor Circuit

1 2 3 ⁽²⁾, ⁽³⁾

Position Sensor Signal Value Does Not Change When Actuator Motor Operates

4, ⁽²⁾, ⁽³⁾

Speed Sensor Signal Not Sent To CC ECU When Cruise Control Is Set

23 ⁽⁴⁾

1 2 3 4 ⁽²⁾, ⁽³⁾

Vehicle Speed Sensor Pulse Abnormal

5 6 ⁽²⁾, ⁽³⁾

Short In Cruise ON-OFF (Main) Switch

12 13 ⁽²⁾, ⁽³⁾

Faulty Cruise Control ECU

12 13 ⁽²⁾, ⁽³⁾

Source Voltage Drop

12 13 ⁽²⁾, ⁽³⁾

Faulty Cruise Control ECU

Normal

None

Indicator Light Flashes On & Off

⁽¹⁾	Perform test numbers in order given.

⁽²⁾	Check wiring harness and connectors.

⁽³⁾	Check CC ECU. See PIN VOLTAGE TESTS Replace CC ECU as necessary.

⁽⁴⁾	If speed set can be maintained when cruise ON-OFF (main) switch is again set to SET/COAST position, there is no malfunction.