Keyless Access System (Body Control Module and Electric Steering Lock) Input Test
Body Control Module

NOTE:
Before testing, check for DTCs. If any DTCs are indicated, troubleshoot those DTCs first.
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
Before testing, make sure the No. A1-5 (30 A), No. A2-2 (30 A), and No. A18 (10 A) fuses in the under-hood fuse/relay box are OK.
Before testing, make sure the No. B8 (15 A)*1/(20 A)*2 and No. B30 (10 A) fuses in the under-dash fuse/relay box are OK.

*1: Except K20C1 engine
*2: K20C1 engine

1.
Turn the vehicle to the OFF (LOCK) mode.

2.
Disconnect the body control module connectors.

NOTE: All connector views are shown from the wire side of the female terminals.
3.
Inspect the connectors and socket terminals to be sure they are all making good contact:
If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
If the terminals look OK, go to step 4.

4.
With the connectors still disconnected, do the following input tests:
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, then go to step 5.

Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
D36
LT BLU
Under all conditions
Check for continuity between terminal D36 and data link connector (DLC) terminal No. 7:
There should be continuity.
An open or high resistance in the K LINE wire
Check for continuity between terminal D36 and body ground:
There should be no continuity.
A short to ground in the K LINE wire
F21
YEL
Under all conditions
Check for continuity between terminal F21 and data link connector (DLC) terminal No. 15:
There should be continuity.
An open or high resistance in the L-LINE wire
Check for continuity between terminal F21 and body ground:
There should be no continuity.
A short to ground in the L-LINE wire
G18
WHT
Press the engine start/stop switch button
Measure the voltage to ground:
There should be battery voltage.
Blown No. B30 (10 A) fuse in the under-dash fuse/relay box
Faulty engine start/stop switch
An open or high resistance in the wire
G9
BLK
Press the engine start/stop switch button
Check for continuity to ground:
There should be continuity.
Faulty engine start/stop switch
Poor ground (G503) or an open in the ground wire
An open or high resistance in the wire
D35
RED
Jump the SCS line with the HDS, disconnect PCM connector A (50P)
Check for continuity between terminal D35 and PCM connector A (50P) terminal No. 40:
There should be continuity.
An open in the S-NET wire
PCM
Check for continuity between terminal D5 and body ground:
There should be no continuity.
A short to ground in the S-NET wire

5.
Reconnect the connectors, and do the following input tests:
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, then go to step 6.

Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
B16
YEL
Under all conditions
Measure the voltage to ground:
There should be battery voltage.
Blown No. B30 (10 A) fuse in the under-dash fuse/relay box
An open or high resistance in the wire
C27
RED
Under all conditions
Measure the voltage to ground:
There should be battery voltage.
Blown No. A18 (10 A) fuse in the under-hood fuse/relay box
An open or high resistance in the wire
A2
BLK
In all power modes
Measure the voltage to ground:
There should be less than 0.2 V.
Poor ground (G501)
An open or high resistance in the ground wire
A8
BLK
In all power modes
Measure the voltage to ground:
There should be less than 0.2 V.
Poor ground (G501)
An open or high resistance in the ground wire
G27
RED
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Blown No. A2-2 (30 A) fuse in the under-hood fuse/relay box
An open or high resistance in the wire
E1
BLU
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Blown No. B8 (15 A)*4/(20 A)*5 fuse in the under-dash fuse/relay box
An open or high resistance in the wire
G10
YEL
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Blown No. A1-5 (30 A) fuse in the under-hood fuse/relay box
An open or high resistance in the wire
G11
LT BLU
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Blown No. A1-5 (30 A) fuse in the under-hood fuse/relay box
An open or high resistance in the wire
G19
YEL
Driver's door outer handle lock button pushed
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty driver's door outer handle
Poor ground (G501) or an open in the ground wire
An open or high resistance in the wire
Driver's door outer handle lock button released
Measure the voltage to ground:
There should be about 5 V.
Faulty driver's door outer handle
A short to ground in the wire
G1
LT GRN
Front passenger's door outer handle lock button pushed
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty front passenger's door outer handle
Poor ground (G505) or an open in the ground wire
An open or high resistance in the wire
Front passenger's door outer handle lock button released
Measure the voltage to ground:
There should be about 5 V.
Faulty front passenger's door outer handle
A short to ground in the wire
G23
BRN
Electric parking brake switch applied
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty electric parking brake switch
Poor ground (G502) or an open in the ground wire
An open or high resistance in the wire
Brake pedal pressed and electric parking brake switch released
Measure the voltage to ground:
There should be about 5 V.
Faulty electric parking brake switch
A short to ground in the wire
C4
WHT
Tailgate outer handle switch pushed
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty tailgate outer handle switch
Poor ground (G603) or an open in the ground wire
An open or high resistance in the wire
Tailgate outer handle switch released
Measure the voltage to ground:
There should be about 5 V.
Faulty tailgate outer handle switch
A short to ground in the wire
C1*1
GRN
Shift lever in P position/mode
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty transmission range switch
Poor ground (G201) or an open in the ground wire
An open or high resistance in the wire
Shift lever in any other position/mode other than P
Measure the voltage to ground:
There should be battery voltage.
Faulty transmission range switch
A short to ground in the wire
C26*1
LT BLU
Shift lever in P position/mode
Measure the voltage to ground:
There should be battery voltage.
Faulty park pin switch
A short to ground in the wire
Shift lever in any other position/mode than P
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty park pin switch
Poor ground (G502) or an open in the ground wire
An open or high resistance in the wire
C26*2
YEL
Clutch pedal released
Measure the voltage to ground:
There should be battery voltage.
Faulty clutch pedal position switch A
A short to ground in the wire
Clutch pedal pressed
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty clutch pedal position switch A
Poor ground (G302) or an open in the ground wire
An open or high resistance in the wire
C25
GRY
Brake pedal pressed
Measure the voltage to ground:
There should be battery voltage.
Blown No. A8 (10 A) fuse in the under-hood fuse/relay box
Faulty brake pedal position switch
An open or high resistance in the wire
G3*3
PUR
Electric steering lock (LOCK)
Measure the voltage to ground:
There should be about 5 V.
Faulty electric steering lock
A short to ground in the wire
Electric steering lock (UNLOCK)
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty electric steering lock
An open or high resistance in the wire
G21
WHT
Tailgate lock button pushed
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty tailgate outer handle
Poor ground (G603) or an open in the ground wire
An open or high resistance in the wire
Tailgate lock button released
Measure the voltage to ground:
There should be about 5 V.
Faulty tailgate outer handle
A short to ground in the wire

*1: CVT
*2: M/T
*3: With electric steering lock
*4: Except K20C1 engine
*5: K20C1 engine
Electric Steering Lock

NOTE:
SRS components are located in this area. Review the SRS component locations, and precautions and procedures before doing repairs or servicing.
Before testing, check for DTCs. If any DTCs are indicated, troubleshoot those DTCs first.

6.
Turn the vehicle to the OFF (LOCK) mode.

7.
Disconnect the electric steering lock 12P connector.
8.
Inspect the connector and socket terminals to be sure they are all making good contact:
If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
If the terminals look OK, then go to step 9.

9.
Reconnect the connector, and do the following input tests:
If any test indicates a problem, find and correct the cause, then recheck the system.
If all the input tests prove OK, go to step 10.

Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result
is not obtained
3
YEL
Under all conditions
Measure the voltage to ground:
There should be battery voltage.
Blown No. B30 (10 A) fuse in the under-dash fuse/relay box
An open or high resistance in the wire
12
BLU
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Blown No. B8 (15 A)*1/(20 A)*2 fuse in the under-dash fuse/relay box
An open or high resistance in the wire
7
BLK
In all power modes
Measure the voltage to ground:
There should be less than 0.2 V.
Poor ground (G505)
An open or high resistance in the ground wire
8
PUR
Electric steering lock (LOCK)
Measure the voltage to ground:
There should be about 5 V.
Faulty body control module
A short to ground in the wire
Electric steering lock (UNLOCK)
Measure the voltage to ground:
There should be less than 0.2 V.
Faulty electric steering lock
An open or high resistance in the wire
5
YEL
Vehicle ON mode
Measure the voltage to ground:
There should be battery voltage.
Faulty body control module
An open or high resistance in the wire
A short to ground in the wire
*1: Except K20C1 engine
*2: K20C1 engine

10.
If multiple failures are found on more than one control unit, replace the body control module. If input failures are related to a particular control unit, replace the control unit.