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Exiting Diagnostic Modes

Regular mode test is always active in ECC system. Only test mode can be selected by technicians. Disconnect test mode connector to exit test mode.

LIST OF ECM TROUBLE CODES

Trouble Code Component Affected
11 Ignition Pulse System (1) (Engine OFF)
12 Ignition Pulse System (2) (Engine OFF)
15 Ignition Pulse System (3) (Engine OFF)
71 Ignition Pulse System (4) (Engine OFF)
72 Ignition Pulse System (5) (Engine OFF)
73 Ignition Pulse System (6) (Engine OFF)
74 Ignition Pulse System (7) (Engine OFF)
22 Speed Sensor
23 O2Sensor
24 Thermosensor
25 Pressure Sensor
32 Duty Solenoid Valve System
33 (8) Main System in Feedback System
34 Back-Up System
42 (9) Clutch Switch System
52 Air Suction Controlling Solenoid Valve
53 Fuel Pump Control System
54 Auto. Choke Control
55 (10) Shift-Up System
62 EGR Solenoid Valve
63 Canister Purge Solenoid Valve
64 Vacuum Sensor Solenoid Valve
65 Fuel Bowl Vent Solenoid Valve
(1) Applies to Federal FWD 5-speed models.
(2) Applies to Federal FWD auto. trans. models.
(3) Applies to Federal FWD 4-speed models.
(4) Applies to Calif. FWD 5-speed models.
(5) Applies to Calif. FWD auto. trans. models.
(6) Applies to Calif. 4WD 5-speed models.
(7) Applies to Caif. 4WD auto. trans. models.
(8) Applies to Test Mode only.
(9) Excludes auto. trans. and 4WD models.
(10) Auto. trans. models only.
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