Test S: Left Hand Turn Indicator Never/Always On
- Check left turn signal operation. Turn key ON. Left turn signal on. Does the left turn signal operate properly? If yes, go to step 3 . If no, diagnose problem in turn signal circuit.
- Check left turn indicator bulb. Turn key OFF. Remove the instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Remove the left hand turn indicator miniature bulb. Measure the continuity between the terminals of the left hand turn indicator miniature bulb. Does continuity exist? If yes, go to next step. If no, replace the left hand turn indicator miniature bulb.
- Check left turn signal input to instrument cluster. Turn key OFF. Locate and disconnect the instrument cluster connector C270. Turn key ON. Left turn signal on. Measure the voltage on the Red/Green wire at the instrument cluster connector C270. See WIRING DIAGRAMS . Does the voltage alternate between 0 and 10 volts? If yes, replace the instrument cluster printed circuit. See INSTRUMENT CLUSTER PRINTED CIRCUIT under REMOVAL & INSTALLATION. If no, repair Red/Green wire.