|
Step
|
Inspection
|
Action
|
|
1
|
INSPECT POWER SUPPLY CIRCUIT OF COIL
• Disconnect the coil connector.
• Turn the ignition switch to the ON position.
• Measure voltage at terminal D of coil connector.
• Is voltage more than 8 V?
|
Yes
|
Go to the next step.
|
|
No
|
Repair wiring harness.
|
|
2
|
INSPECT WIRING HARNESS BETWEEN COIL AND GROUND
• Turn the ignition switch to the LOCK position.
• Inspect wiring harness between coil connector terminal C and ground for the following:
-
- Short to power supply
-
- Open circuit
• Is wiring harness okay?
|
Yes
|
Go to the next step.
|
|
No
|
Repair wiring harness.
|
|
3
|
INSPECT COIL INPUT SIGNAL CIRCUIT
• Connect coil connector.
• Turn the ignition switch to the ON position.
• Measure voltage at terminal B of coil connector.
• Is voltage more than 8 V?
|
Yes
|
Go to Step 5.
|
|
No
|
Go to the next step.
|
|
4
|
INSPECT COIL INPUT SIGNAL CIRCUIT
• Turn the ignition switch to the LOCK position.
• Disconnect PCM connector.
• Turn the ignition switch to the ON position.
• Measure voltage at terminal 1AO of PCM connector.
• Is voltage more than 8 V?
|
Yes
|
Replace PCM and reprogram immobilizer system.
|
|
No
|
Go to the next step.
|
|
5
|
INSPECT COMMUNICATION CIRCUIT (INPUT) FOR CONTINUITY
• Turn the ignition switch to the LOCK position.
• Disconnect coil and PCM connectors.
• Is there continuity between coil connector terminal B and PCM connector terminal 1AO?
|
Yes
|
Go to the next step.
|
|
No
|
Repair wiring harness.
|
|
6
|
INSPECT COIL INPUT SIGNAL CIRCUIT
• Measure resistance between coil connector terminal B and ground.
• Is resistance more than 10 kilohms?
|
Yes
|
Replace coil.
|
|
No
|
Repair wiring harness.
|
|
7
|
INSPECT COIL OUTPUT SIGNAL CIRCUIT
• Connect coil and PCM connectors.
• Turn the ignition switch to the ON position.
• Measure voltage at terminal A of coil connector.
• Is voltage more than 8 V?
|
Yes
|
Replace coil.
|
|
No
|
Go to the next step.
|
|
8
|
INSPECT COIL OUTPUT SIGNAL CIRCUIT
• Turn the ignition switch to the LOCK position.
• Disconnect coil connector.
• Turn the ignition switch to the ON position.
• Measure voltage at terminal A of coil connector.
• Is voltage more than 8 V?
|
Yes
|
Replace coil.
|
|
No
|
Go to the next step.
|
|
9
|
INSPECT COMMUNICATION CIRCUIT (OUTPUT) FOR CONTINUITY
• Turn the ignition switch to the LOCK position.
• Disconnect PCM connector.
• Is there continuity between coil connector terminal A and PCM connector terminal 1AS?
|
Yes
|
Go to the next step.
|
|
No
|
Repair wiring harness.
|
|
10
|
INSPECT COIL OUTPUT SIGNAL CIRCUIT
• Measure resistance between PCM connector terminal 1AS and ground.
• Is resistance more than 10 kilohms?
|
Yes
|
Replace PCM and reprogram immobilizer system.
|
|
No
|
Repair wiring harness.
|
