TROUBLESHOOTING GUIDE
G-7flowchartStep 5/7 refers to PCM or ECM depending on model variant.
NOTE
B+: Battery positive voltage
6 Misfire
1
STEP 1: Disconnect high-tension lead from each spark plug. Does strong blue spark occur while cranking?
Yes
Check spark plugs (page G-26)
No
2
STEP 2: Are resistance of high-tension leads OK? Specification: 16 kΩ per 1 m {3.28 ft} [at 20°C {68°F}] (page G-24)
No
Replace high-tension leads
Yes
3
STEP 3: Are there corrosion, damage, or cracks on the distributor cap and rotor? (page G-31)
Yes
Replace cap or rotor
No
4
STEP 4: Is ignition coil normal? (page G-26)
No
Replace distributor
Yes
5
STEP 5: Are distributor connector and PCM or ECM connector connected?
No
Connect connectors
Yes
6
STEP 6: Measure voltage at terminal A (3-pin) of distributor (harness side connector); is it correct? Voltage: B+ (ignition switch ON)
No
Check main fuse, ignition switch and wiring harness
Yes
7
STEP 7: Is PCM or ECM normal?
No
Replace PCM or ECM
Yes
8
Replace distributor