Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000002734C |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: POWER DISTRIBUTION: INTEGRATION RELAY: INSPECTION; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022] |
INSPECTION
PROCEDURE
1. INSPECT NO. 1 INTEGRATION RELAY (for Gasoline Model except TMC Made)
(a) IG1 NO. 3 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1A-4 - 1A-3
|
Auxiliary battery voltage not applied between terminals 1A-1 and 1A-2
|
10 kΩ or higher
|
1A-4 - 1A-3
|
Auxiliary battery positive (+) → 1A-2
Auxiliary battery negative (-) → 1A-1
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(b) H-LP LH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1A-5 - 1B-1
|
Auxiliary battery voltage not applied between terminals 1A-5 and 1B-2
|
10 kΩ or higher
|
1A-5 - 1B-1
|
Auxiliary battery positive (+) → 1A-5
Auxiliary battery negative (-) → 1B-2
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(c) EFI-MAIN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1B-3 - 1B-4
|
Auxiliary battery voltage not applied between terminals 1B-6 and 1B-5
|
10 kΩ or higher
|
1B-3 - 1B-4
|
Auxiliary battery positive (+) → 1B-5
Auxiliary battery negative (-) → 1B-6
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(d) IG2 NO. 1 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1A-10 - 1A-9
|
Auxiliary battery voltage not applied between terminals 1A-7 and 1A-8
|
10 kΩ or higher
|
1A-10 - 1A-9
|
Auxiliary battery positive (+) → 1A-7
Auxiliary battery negative (-) → 1A-8
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(e) H-LP RH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1B-8 - 1A-12
|
Auxiliary battery voltage not applied between terminals 1B-8 and 1A-11
|
10 kΩ or higher
|
1B-8 - 1A-12
|
Auxiliary battery positive (+) → 1B-8
Auxiliary battery negative (-) → 1A-11
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(f) DIM RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
1B-9 - 1B-10
|
Auxiliary battery voltage not applied between terminals 1B-11 and 1B-12
|
10 kΩ or higher
|
1B-9 - 1B-10
|
Auxiliary battery positive (+) → 1B-11
Auxiliary battery negative (-) → 1B-12
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
2. INSPECT NO. 1 INTEGRATION RELAY (for HV Model except TMC Made)
(a) IG1 NO. 3 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2A-4 - 2A-3
|
Auxiliary battery voltage not applied between terminals 2A-1 and 2A-2
|
10 kΩ or higher
|
2A-4 - 2A-3
|
Auxiliary battery positive (+) → 2A-2
Auxiliary battery negative (-) → 2A-1
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(b) H-LP LH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2A-5 - 2B-1
|
Auxiliary battery voltage not applied between terminals 2A-5 and 2B-2
|
10 kΩ or higher
|
2A-5 - 2B-1
|
Auxiliary battery positive (+) → 2A-5
Auxiliary battery negative (-) → 2B-2
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(c) EFI-MAIN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2B-3 - 2B-4
|
Auxiliary battery voltage not applied between terminals 2B-6 and 2B-5
|
10 kΩ or higher
|
2B-3 - 2B-4
|
Auxiliary battery positive (+) → 2B-6
Auxiliary battery negative (-) → 2B-5
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(d) IG2 NO. 1 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2A-10 - 2A-9
|
Auxiliary battery voltage not applied between terminals 2A-7 and 2A-8
|
10 kΩ or higher
|
2A-10 - 2A-9
|
Auxiliary battery positive (+) → 2A-7
Auxiliary battery negative (-) → 2A-8
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(e) H-LP RH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2B-8 - 2A-12
|
Auxiliary battery voltage not applied between terminals 2B-8 and 2A-11
|
10 kΩ or higher
|
2B-8 - 2A-12
|
Auxiliary battery positive (+) → 2B-8
Auxiliary battery negative (-) → 2A-11
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(f) DIM RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
2B-9 - 2B-10
|
Auxiliary battery voltage not applied between terminals 2B-11 and 2B-12
|
10 kΩ or higher
|
2B-9 - 2B-10
|
Auxiliary battery positive (+) → 2B-11
Auxiliary battery negative (-) → 2B-12
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
3. INSPECT NO. 1 INTEGRATION RELAY (for G16E-GTS)
(a) IG1 NO. 3 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-4 - 9A-3
|
Auxiliary battery voltage not applied between terminals 9A-1 and 9A-2
|
10 kΩ or higher
|
9A-4 - 9A-3
|
Auxiliary battery positive (+) → 9A-2
Auxiliary battery negative (-) → 9A-1
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(b) H-LP LH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-5 - 9B-1
|
Auxiliary battery voltage not applied between terminals 9A-5 and 9B-2
|
10 kΩ or higher
|
9A-5 - 9B-1
|
Auxiliary battery positive (+) → 9A-5
Auxiliary battery negative (-) → 9B-2
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(c) EFI-MAIN RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-3 - 9B-4
|
Auxiliary battery voltage not applied between terminals 9B-6 and 9B-5
|
10 kΩ or higher
|
9B-3 - 9B-4
|
Auxiliary battery positive (+) → 9B-5
Auxiliary battery negative (-) → 9B-6
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(d) IG2 NO. 1 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9A-10 - 9A-9
|
Auxiliary battery voltage not applied between terminals 9A-7 and 9A-8
|
10 kΩ or higher
|
9A-10 - 9A-9
|
Auxiliary battery positive (+) → 9A-7
Auxiliary battery negative (-) → 9A-8
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(e) H-LP RH RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-8 - 9A-12
|
Auxiliary battery voltage not applied between terminals 9B-8 and 9A-11
|
10 kΩ or higher
|
9B-8 - 9A-12
|
Auxiliary battery positive (+) → 9B-8
Auxiliary battery negative (-) → 9A-11
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
(f) P-CON RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
9B-9 - 9B-10
|
Auxiliary battery voltage not applied between terminals 9B-11 and 9B-12
|
10 kΩ or higher
|
9B-9 - 9B-10
|
Auxiliary battery positive (+) → 9B-11
Auxiliary battery negative (-) → 9B-12
|
Below 1 Ω
|
If the result is not as specified, replace the No. 1 integration relay.
|
|
*a
|
Component without harness connected
(No. 1 Integration Relay)
|
|
|
|