- Battery
- Charging system
- Tire pressure warning ECU
| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM10000000103U3 |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: C2178/78; Battery Voltage Malfunction; 2017 - 2020 MY Sienna [08/2016 - ] | ||
|
DTC |
C2178/78 |
Battery Voltage Malfunction |
DESCRIPTION
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C2178/78 |
With ignition switch ON, when IG voltage of less than 10 V continues for 20 minutes or more, or IG voltage of over 16 V continues for 0.5 seconds or more |
|
CAUTION / NOTICE / HINT
If DTC C2178/78 is output, inspect the battery and charging system (See page
![2017 - 2020 MY Sienna [08/2016 - ]; 2GR-FKS BATTERY / CHARGING: CHARGING SYSTEM: ON-VEHICLE INSPECTION](/t3Portal/stylegraphics/info.gif)
).
If the battery and charging system are normal, perform the "ECU Power Source Circuit" inspection procedure (See page
).
PROCEDURE
|
1. |
INSPECT BATTERY |
(a) Check the battery voltage.
Standard voltage:
11 to 14 V
| OK |
|
| NG |
|
|
|