Inspection Procedure

WARNING: This page is about a different variant/trim than selected.

Inspect terminal voltage (PI).
1. Turn the ignition switch to ON.
2. Measure voltage between terminal 5 (PI) of cruise control ECU assy and body ground, when the cruise control main switch button is ON and OFF. See Fig 2.
  OK:
OK , proceed to next circuit inspection shown on problem symptoms table. See PROBLEM SYMPTOMS TABLE under PROBLEM SYMPTOMS TABLE.

NG , go to step 2.
Inspect combination meter assy.
NG , replace combination meter assy.

OK , go to step 3.
Check harness and connector (between cruise control ECU assy and combination meter assembly).
1. Check for open and short circuit in harness and connector between cruise control ECU assy and combination meter assembly. See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS in INTRODUCTION.
NG , repair or replace harness or connector.

OK , check and replace cruise control ECU assy. See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS in INTRODUCTION.

Fig 1: Cruise Main Indicator Light Circuit Wiring Diagram

Fig 2: Locating Cruise Control ECU Terminal 5