Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Body Control Module (BCM) System Check performed? | -- | ||
2 | Perform the BCM system check. Refer to Diagnostic System Check - Body Control System in Body Control System. Is the repair complete? | -- | -- | |
3 |
Is the Tach Signal reading active? | -- | ||
4 | Use the J 39200 Digital Multimeter (DMM) in order to measure the AC voltage at the TACH TEST POINT located on the underhood junction block. Does an AC voltage exist? | -- | Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls--2.4L or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls--3.1L | |
5 |
Does an AC voltage exist? | -- | ||
6 | Replace the instrument cluster. Refer to Instrument Cluster Replacement . Is the repair complete? | -- | -- | |
7 |
Does the voltage equal the specified value? | 0 V | ||
8 | Repair the short to positive battery voltage in CKT 121 between terminal F8 of underhood junction block connector C3 and terminal A7 of the instrument cluster connector. Is the repair complete? | -- | -- | |
9 | Use the J 39200 DMM in order to measure the resistance in CKT 121 between terminal F8 of underhood wiring harness junction block connector C3 and ground. Does the resistance measure within the specified range? | ∞ | ||
10 | Repair the short to ground in CKT 121 between terminal F8 of underhood junction block connector C3 and terminal A7 of the instrument cluster connector. Is the repair complete? | -- | -- | |
11 | Use the J 39200 DMM in order to measure the resistance in CKT 121 between terminal F8 of underhood junction block connector C3 and terminal A7 of the instrument cluster connector. Does the resistance measure within the specified range? | 0-2 ohms | ||
12 | Repair the open in CKT 121 between terminal F8 of underhood junction block connector C3 and terminal A7 of the instrument cluster connector. Is the repair complete? | -- | -- | |
13 | Replace the underhood junction block. Refer to Underhood Fuse Block Replacement in Engine Electrical. Is the repair complete? | -- | -- |
