Checking Activation
-- Remove the engine control module Engine Control Module (ECM) - J623 -. Refer to the service information for removal and installation procedures.
-- Using a multimeter, measure the resistance of the circuit between the Automatic Glow Time Control Module -J179- and the engine control module Engine Control Module (ECM) - J623 -. Refer to the applicable wiring diagram.
| Automatic Glow Time Control Module -J179- electrical harness connector terminal | Engine Control Module -J623- electrical harness connector T94 terminals |
|---|---|
| 9 | 24 |
| 10 | 74 |
Specified value: 1.5 Ω Max.
If the specification was not obtained:
-- Check the wires for a short circuit to each other, a short to battery voltage, and a short to ground.
-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.
-- Repair as necessary.
-- Go to Final Procedures
If the specified value was obtained:
-- Replace the Engine Control Module (ECM) - J623 - Refer to appropriate service information.
-- Go to Final Procedures