Content .. 849 850 851 852 ..

Acura RL. Manual - part 851

1. Install the relays and connect the connectors to the under-hood fuse/relay box, then install the under-

hood fuse/relay box in the reverse order of removal.

2. Install the removed parts in the reverse order of removal.

3. Connect the positive cable to the battery, then connect the negative cable to the battery.

4. Do the steering column position memorization (see STEERING COLUMN POSITION

MEMORIZATION ).

5. Enter the anti-theft codes for the audio system and the navigation system (if equipped), and set the

clock.

6. Confirm that all systems work properly.

DTC TROUBLESHOOTING

DTC B1055: RELAY CONTROL MODULE LOST COMMUNICATION WITH MICU (MICU
MESSAGE); DTC B1056: RELAY CONTROL MODULE LOST COMMUNICATION WITH MICU
(ALARM MESSAGE)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTC B1055 and/or B1056 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between
the relay control module and the MICU.

5. Check for DTCs with the HDS.

Are DTCs B1157, B1255, B1605, B1806, B2107, and B2155 all indicated?

YES - Do the MICU input test (see MICU INPUT TEST ).

NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).

DTC B1060: RELAY CONTROL MODULE LOST COMMUNICATION WITH GAUGE
CONTROL MODULE (VSP/NE MESSAGE); DTC B1061: RELAY CONTROL MODULE LOST
COMMUNICATION WITH GAUGE CONTROL MODULE (A/T MESSAGE)

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN
SYSTEM DIAGNOSIS TEST MODE A ).

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN
SYSTEM DIAGNOSIS TEST MODE A ).

2007 Acura RL

2007-08 ELECTRICAL Under-Hood Fuse/Relay Box - RL

Friday, June 05, 2009 3:05:55 PM

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1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTC B1060 and/or B1061 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between
the relay control module and the gauge control module.

5. Check for DTCs with the HDS.

Are DTCs B1008, B1011, B1205, B1408, B1610, B1805, B1808, B2061, and B2160 all indicated?

( * : '05-06 models)

YES - Do the gauge control module input test (see GAUGE CONTROL MODULE INPUT
TEST ).

NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).

DTC B1062: RELAY CONTROL MODULE LOST COMMUNICATION WITH COMBINATION
SWITCH CONTROL UNIT (HLSW MESSAGE); DTC B1063: RELAY CONTROL MODULE
LOST COMMUNICATION WITH COMBINATION SWITCH CONTROL UNIT (WIPSW
MESSAGE)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTCs B1062 and/or B1063 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between
the relay control module and the combination switch control unit.

5. Check for DTCs with the HDS.

Are DTCs B1007, B1155, B1156, and B2108 all indicated?

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN
SYSTEM DIAGNOSIS TEST MODE A ).

2007 Acura RL

2007-08 ELECTRICAL Under-Hood Fuse/Relay Box - RL

Friday, June 05, 2009 3:05:55 PM

Page 3

YES - Do the combination switch control unit input test (see COMBINATION SWITCH
CONTROL UNIT INPUT TEST ).

NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).

DTC B1064: RELAY CONTROL MODULE LOST COMMUNICATION WITH DRIVER'S MPCS
UNIT (DOORSW MESSAGE); DTC B1065: RELAY CONTROL MODULE LOST
COMMUNICATION WITH DRIVER'S MPCS UNIT (DRLOCKSW MESSAGE)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTCs B1064 and/or B1065 indicated?

YES - Go to step 5.

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections between
the relay control module and the driver's MPCS unit.

5. Check for DTCs with the HDS.

Are DTCs B1014, B1015, B1181, B1182, B1405, B1613, B1614, and B1811 all indicated?

( * : '05-06 models)

YES - Do the driver's MPCS unit input test (see DRIVER'S MPCS UNIT INPUT TEST ).

NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).

DTC B1066: RELAY CONTROL MODULE LOST COMMUNICATION WITH KEYLESS
ACCESS CONTROL UNIT (PANIC MESSAGE)

1. Clear the DTCs with the HDS.

2. Turn the ignition switch OFF, and then back ON (II).

3. Wait for 6 seconds or more.

4. Check for DTCs with the HDS.

Is DTC B1066 indicated?

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN
SYSTEM DIAGNOSIS TEST MODE A ).

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN
SYSTEM DIAGNOSIS TEST MODE A ).

2007 Acura RL

2007-08 ELECTRICAL Under-Hood Fuse/Relay Box - RL

Friday, June 05, 2009 3:05:55 PM

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YES - Go to step 5.

NO - Intermittent failure, the communication line is OK at this time.

5. Check for DTCs with the HDS.

Is DTC B1016 also indicated?

YES - Do the keyless access control unit input test (see CONTROL UNIT INPUT TEST ).

NO - Do the relay control module input test (see RELAY CONTROL MODULE INPUT TEST ).

2007 Acura RL

2007-08 ELECTRICAL Under-Hood Fuse/Relay Box - RL

Friday, June 05, 2009 3:05:55 PM

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Content .. 849 850 851 852 ..