Toyota Corolla Cross: Inspection
INSPECTION
PROCEDURE
1. INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY (w/o Power Back Door)
(a) Check the operation of the door lock motor.
| (1) Move the back door lock with courtesy light switch assembly to the lock position. |
 |
|
*a | Unlock | |
*b | Lock | |
*c | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*d | Latch | | |
(2) Apply auxiliary battery voltage to the door lock motor assembly and check the operation of the door lock motor.
OK:
|
Tester Connection | Condition |
Specified Condition |
|
U4-1 (ACT+) - U4-2 (ACT-) |
U4-1 (ACT+) → Auxiliary battery positive (+) U4-2 (ACT-) → Auxiliary battery negative (-) |
Unlock |
If the result is not as specified, replace the back door lock with courtesy light switch assembly.
(b) Check the operation of the back door courtesy switch.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|
U4-2 (ACT-) - U4-3 (D+) |
Lock | 10 kΩ or higher |
|
U4-2 (ACT-) - U4-3 (D+) |
Unlock | Below 1 Ω |
If the result is not as specified, replace the back door lock with courtesy light switch assembly.
2. INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY (w/ Power Back Door)
(a) Check the operation of the closer motor.
| (1) Apply auxiliary battery voltage and check the operation of the closer motor.
OK: |
Tester Connection | Condition |
Specified Condition | |
U18-1 (M-) - U18-2 (M+) |
U18-1 (M-) → Auxiliary battery positive (+) U18-2 (M+) → Auxiliary battery negative (-) |
Open Operation | |
U18-1 (M-) - U18-2 (M+) |
U18-2 (M+) → Auxiliary battery positive (+) U18-1 (M-) → Auxiliary battery negative (-) |
Close Operation | If the result is not as specified, replace the back door lock with courtesy light switch assembly. |
 |
|
*a | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*b | Close Operation Direction | |
*c | Open Operation Direction | | |
(b) Check the resistance of the half latch switch.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
U17-3 (CLS) - U17-1 (E) |
Open position | Below 1 Ω | |
U17-3 (CLS) - U17-1 (E) |
Open position → Half-latch position |
Below 1 Ω → 10 kΩ or higher | |
U17-3 (CLS) - U17-1 (E) |
Half-latch position |
10 kΩ or higher | |
U17-3 (CLS) - U17-1 (E) |
Full-latch position |
10 kΩ or higher | |
U17-3 (CLS) - U17-1 (E) | Overstroke position |
10 kΩ or higher | If the result is not as specified, replace the back door lock with courtesy light switch assembly. |
 |
|
*a | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*b | Open Position | |
*c | Half-latch Position | |
*d | Full-latch Position | |
*e | Overstroke Position | | |
(c) Check the resistance of the full latch switch.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
U17-1 (E) - U17-4 (CTY) |
Open position | Below 1 Ω | |
U17-1 (E) - U17-4 (CTY) |
Half-latch position |
Below 1 Ω | |
U17-1 (E) - U17-4 (CTY) |
Half-latch position → Full-latch position |
Below 1 Ω → 10 kΩ or higher | |
U17-1 (E) - U17-4 (CTY) |
Full-latch position |
10 kΩ or higher | |
U17-1 (E) - U17-4 (CTY) | Overstroke position |
10 kΩ or higher | If the result is not as specified, replace the back door lock with courtesy light switch assembly. |
 |
|
*a | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*b | Open Position | |
*c | Half-latch Position | |
*d | Full-latch Position | |
*e | Overstroke Position | | |
(d) Check the resistance of the pawl switch.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
U17-2 (FSW) - U17-1 (E) |
Open position | 10 kΩ or higher | |
U17-2 (FSW) - U17-1 (E) |
Open position → Half-latch position |
10 kΩ or higher → Below 1 Ω → 10 kΩ or higher | |
U17-2 (FSW) - U17-1 (E) |
Half-latch position |
10 kΩ or higher | |
U17-2 (FSW) - U17-1 (E) |
Half-latch position → Full-latch position |
10 kΩ or higher → Below 1 Ω → 10 kΩ or higher | |
U17-2 (FSW) - U17-1 (E) | Full-latch position |
10 kΩ or higher | |
U17-2 (FSW) - U17-1 (E) |
Overstroke position |
10 kΩ or higher | If the result is not as specified, replace the back door lock with courtesy light switch assembly. |
 |
|
*a | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*b | Open Position | |
*c | Half-latch Position | |
*d | Full-latch Position | |
*e | Overstroke Position | | |
(e) Check the resistance of the sector switch.
| (1) Measure the resistance according to the value(s) in the table below.
Standard Resistance: |
Tester Connection | Condition |
Specified Condition | |
U17-6 (OPN) - U17-1 (E) |
Sector gear in neutral position (Sector switch on) |
Below 1 Ω | |
U17-6 (OPN) - U17-1 (E) |
Sector gear not in neutral position (Sector switch off) |
10 kΩ or higher | If the result is not as specified, replace the back door lock with courtesy light switch assembly. |
 |
|
*a | Component without harness connected
(Back Door Lock with Courtesy Light Switch Assembly) | |
*b | Sector Gear in Neutral Position | | |
READ NEXT:
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY
69350P
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 REAR CENTER SEAT OUTER BELT ASSEMBLY
73350C -
- -
2 BEN
SEE MORE:
Removal
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
IGNITION COIL ASSEMBLY
19500
-
-
2
SPARK PLUG
DESCRIPTION
Detection Item
Symptom
Trouble Area
Tire Pressure Monitor ECU Communication Stop Mode
Communication stop for "Tire Pressure" is indicated on the "Communication
Bus Check" screen of the GTS.
Click her
