TSB Revision
DIAGNOSTIC TROUBLE CODE PROCEDURES
13Ac-593
P2108 Throttle Actuator Control Module Processor Malfunction
.
TECHNICAL DESCRIPTION
• PCM checks the throttle actuator control module
processor for abnormal conditions.
.
DTC SET CONDITIONS
Check Conditions
• Ignition switch "ON" position.
Judgement Criteria
• No surveillance pulse signals are input for 0.5
seconds.
Check Conditions
• TPS (main) output voltage is higher than 0.35
volts and lower than 4.8 volts.
• APS (main) is normal.
• TPS is normal.
Judgement Criteria
• Difference between the TPS (main) output volt-
age and the target output voltage should be 1 volt
or higher for 10 seconds.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• PCM failed.
DIAGNOSIS
Required Special Tool:
• MB991502: Scan Tool (MUT-II)
STEP 1. Using scan tool MB991502, read the diagnostic
trouble code (DTC).
CAUTION
To prevent damage to scan tool MB991502, always turn the
ignition switch to the "LOCK"(OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2108 set?
YES : Replace the PCM.
NO : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use Troubleshooting/
Inspection. Service Points
P.00-6
.
ACX01539
16-PIN
MB991502
AC