6E1-198 DRIVEABILITY AND EMISSIONS
damaged terminals, and poor terminal-to-wire
connections.
• Damaged harness - Inspect the wiring harness for
damage; Open circuits, shorts to ground, or shorts
to Voltage. If the harness appears to be OK,
observe the Scan Tool display related to DTC 42
while moving the connector and wiring related to the
ignition system. A change in the display will indicate
the location of the fault.
• This code detects a short to battery on the
Electronic Spark Timing A/Coil Driver A (#1, #4 cyl.)
line.
DTC (Flash DTC = 42)
Ignition Coil Driver "A" Short To Battery
Step Action Value(s) Yes No
1
Was the "On-Board Diagnostic (OBD) System Check"
performed? -
Go to Step 2
Go to OBD
System
Check
2
Check for a faulty connection or damaged terminals at the
ignition coil.
Was a problem found?
-
Verify repair Go to Step 3
3
Check for a faulty connection or damaged terminals at the
ECM connector.
Was a problem found?
-
Verify repair Go to Step 4
4
1. Ignition OFF.
2. Disconnect the ignition coil.
3. Check the ignition coil circuit for a short to battery.
Was a problem found?
-
Verify repair Go to Step 5
5
Check for a short circuit between the ignition coil and the
ECM.
If a problem is found, repair the wire harness.
Is there still a problem?
-
Verify repair Go to Step 6
6
Replace the ignition control module.
Verify repair.
Is there still a problem?
- -
Go to Step 7
7
Replace the EPROM or ECM.
Is the repair complete? Note) Refer to 6E1-243.
-
Verify repair
-
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