For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Power Door Locks System Check? | -- | Go to Step 2 | Go to Power Door Locks System Check
2 |

1. Enter the body control module (MALL) diagnostic mode.

1.1. | Press and hold the power door unlock switch.

1.2. | Cycle the headlamps 6 times.

1.3. | Release the power door unlock switch.

2. The MALL module may sound a few bongs (history codes) upon entering the diagnostic mode. Refer to Body Control Module Diagnostic Information for a list of these codes.
3. Shift the gear selector from PARK to NEUTRAL, then back to PARK.
4. Turn OFF the ignition.

Does the MALL module sound 1 bong for the PARK to NEUTRAL shift and 1 bong for the NEUTRAL to PARK shift?

--

Go to Step 3

Go to Step 4

3 | Set the automatic door locks to operate in mode 3. Refer to Automatic Door Lock System Description . Does the automatic door locks feature work once this procedure is complete? | -- | Go to Power Door Locks System Check | Go to Step 4
4 |

1. Disconnect the MALL module connector C2.
2. Place the ignition switch in the RUN position.
3. Put the gear selector in the PARK position.
4. Use Digital Multimeter (DMM) J 39200 in order to measure the voltage from the MALL module connector C2 terminal D6 to ground.

Does the voltage measure within the specified range?

10-15 V

Go to Step 13

Go to Step 5

5 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the park/neutral position switch.
3. Measure the voltage from the park/neutral position switch connector C1 terminal B to ground.

Does the voltage measure within the specified range?

10-15 V

Go to Step 10

Go to Step 6

6 | Inspect fuse T/SIG/BULB/BTSI in the IP fuse block. Is the fuse open? | -- | Go to Step 7 | Go to Step 9
7 | Measure the voltage from the PARK/NEUTRAL position switch connector C1 terminal B to terminal B+. Does the voltage measure within the specified range? | 10-15 V | Go to Step 8 | Go to Step 14
8 | Repair the short to ground on CKT 539 (PNK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
9 | Repair the open in CKT 539 (PNK) or the open power feed to fuse 1B in the IP fuse block. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
10 | Test CKT 275 (LT GRN) for an open or short to ground. Refer to Wiring Repairs in Wiring Systems. Is CKT 275 OK? | -- | Go to Step 12 | Go to Step 11
11 | Repair CKT 275 (LT GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
12 | Replace the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement in Transmission/Transaxle. Is the replacement complete? | -- | Go to Power Door Locks System Check | --
13 |

1. Leave the ignition switch in the RUN position.
2. Close the left front door.
3. Move the gear selector to the NEUTRAL position.
4. Measure the voltage from the MALL module connector C2 terminal D6 to ground.

Does the voltage measure within the specified range?

10-15 V

Go to Step 14

Go to Step 17

14 | Test CKT 275 (LT GRN) for a short to the battery. Is CKT 275 OK? | -- | Go to Step 16 | Go to Step 15
15 | Repair the CKT 275 (LT GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
16 | Replace the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement in Transmission/Transaxle. Is the repair complete? | -- | Go to Power Door Locks System Check | --
17 | Inspect the MALL module for proper terminal contact at the connector C2 terminal D6. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems. Is the terminal contact at the connector OK? | -- | Go to Step 19 | Go to Step 18
18 | Repair the MALL module connector C2 terminal contact. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Power Door Locks System Check | --
19 | Replace the MALL module. Refer to Body Control Module Replacement in Body Control System. Is the repair complete? | -- | Go to Power Door Locks System Check | --