CRUISE CONTROL SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)

DTC 16

Detected when ignition switch is turned to OFF or malfunction related to the ignition switch occurs.

TROUBLE SYMPTOM:

Cruise control cannot be set.

WIRING DIAGRAM:

STEPCHECKYESNO

1.CHECK IGNITION SWITCH CIRCUIT.

1) Turn the ignition switch to OFF.

2) Disconnect the ECM harness connector.

3) Turn the ignition switch to ON.

4) Measure the voltage between harness connector terminal and chassis ground.

Connector & terminal

Turbo model

(B135) No. 19 (+) — Chassis ground (−):

Non-turbo model

(B135) No. 10 (+) — Chassis ground (−):

Is the voltage 10 V or more?

Check poor contact of ECM connector.

• Check fuse No. 12 (in fuse & relay box).

• Check the harness for open or short circuit between ignition switch and ECM.