1H
Ignition System Check
Step Action YES NO
1
Was “Engine and Emission Control System Check” performed?
Go to Step 2.
Go to Engine and Emission Control System Description:M13A without VVT .
2
Ignition spark test
1) Check all spark plugs for condition and type referring to Spark Plug Inspection:M13A .
2) If OK, perform ignition spark test referring to Ignition Spark Test:M13A .
Is spark emitted from all spark plugs?
Go to Step 11.
Go to Step 3.
3
DTC check
1) Perform DTC Check referring to DTC Check:M13A without VVT .
Is DTC stored in ECM?
Go to applicable DTC diag. flow.
Go to Step 4.
4
Electrical connection check
1) Check ignition coil assemblies and high-tension cords for electrical connection.
Are they connected securely?
Go to Step 5.
Connect securely.
5
High-tension cords check
1) Check high-tension cord for resistance referring to High-Tension Cord Inspection:M13A .
Is check result satisfactory?
Go to Step 6.
Replace high-tension cord(s).
6
Ignition coil assembly power supply and ground circuit check
1) Check ignition coil assembly power supply and ground circuits for open and short.
Are circuits in good condition?
Go to Step 7.
Repair or replace.
7
Ignition coil assembly check
1) Check ignition coil for resistance referring to Ignition Coil Assembly (Including ignitor) Inspection:M13A .
Is check result satisfactory?
Go to Step 8.
Replace ignition coil assembly.
8
CKP sensor check
1) Check CKP sensor referring to Camshaft Position (CMP) Sensor Inspection:M13A .
Is check result satisfactory?
Go to Step 9.
Tighten CKP sensor bolt, replace CKP sensor or CKP sensor plate.
9
Ignition trigger signal circuit check
1) Check ignition trigger signal wire for open, short and poor connection.
Is circuit in good condition?
Go to Step 10.
Repair or replace.
10
A known-good ignition coil assembly substitution
1) Substitute a known-good ignition coil assembly and then repeat Step 2.
Is check result of Step 2 satisfactory?
Go to Step 11.
Substitute a known-good ECM and then repeat Step 2.
11
Ignition timing check
1) Check initial ignition timing and ignition timing advance referring to Ignition Timing Inspection:M13A .
Is check result satisfactory?
System is in good condition.
Check CKP sensor, CKP sensor plate and/or input signals related to this system.