Toyota Tacoma (2015-2018) Service Manual: Diagnosis System
DIAGNOSIS SYSTEM
1. DLC3 (Data Link Connector 3)
(a) Check the DLC3 (See page .gif)
).
2. BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery.
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Charging System
Symptom
Suspected Area
See page
Charging System Warning Displayed
Battery
...
Terminals Of Ecm
TERMINALS OF ECM
1. CHECK ECM
HINT:
The standard normal voltage between each pair of ECM terminals is shown in the
table below. The appropriate conditions for checking each pair of terminals ar ...
Other materials:
Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resis ...
Automatic High Beam System (B124B)
DESCRIPTION
The main body ECU (multiplex network body ECU) determines the status of the automatic
high beam system based on the automatic high beam system signal from the forward
recognition camera.
DTC No.
Detection Item
DTC Detection Condition
Trou ...
Rear Differential Lock Control SW Stuck ON (P17CC)
DESCRIPTION
This DTC is output when a malfunction of the differential lock switch is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17CC
Rear Differential Lock Control SW Stuck ON
...
