Without Scan Tool

OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
Refer to Computers and Control Systems.

OBD-II SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Refer to Computers and Control Systems.

TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)
Preparation





1. Turn ignition switch to "OFF" position.
2. Connect the handy type vacuum pump to the throttle opener and apply vacuum -25.3 kPa (-190 mm Hg, -7.48 inch Hg).
3. Disconnect the throttle position switch harness connector.
4. Turn ignition switch to "ON" position.
5. Check continuity of the closed throttle position switch.
Continuity should exist. (if continuity does not exist, check throttle opener and closed throttle position switch. Then increase vacuum until closed throttle position switch shows continuity.)





6. Go to "DIAGNOSIS START" on next page.

ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION





Part 1 of 4





Part 2 of 4





Part 3 of 4





Part 4 of 4

JUDGEMENT OF SELF-DIAGNOSIS CODE





Part 1 of 3





Part 2 of 3





Part 3 of 3